678857172

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{971}}^1$

素因数の和:1062

約数の個数: 144

約数和(自身を含む): 1954653120

約数和(自身を除く): 1275795948

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 29, 41, 42, 49, 58, 82, 84, 87, 98, 116, 123, 147, 164, 174, 196, 203, 246, 287, 294, 348, 406, 492, 574, 588, 609, 812, 861, 971, 1148, 1189, 1218, 1421, 1722, 1942, 2009, 2378, 2436, 2842, 2913, 3444, 3567, 3884, 4018, 4263, 4756, 5684, 5826, 6027, 6797, 7134, 8036, 8323, 8526, 11652, 12054, 13594, 14268, 16646, 17052, 20391, 24108, 24969, 27188, 28159, 33292, 39811, 40782, 47579, 49938, 56318, 58261, 79622, 81564, 84477, 95158, 99876, 112636, 116522, 119433, 142737, 159244, 168954, 174783, 190316, 197113, 233044, 238866, 278677, 285474, 337908, 349566, 394226, 477732, 557354, 570948, 591339, 699132, 788452, 836031, 1114708, 1154519, 1182678, 1379791, 1672062, 1950739, 2309038, 2365356, 2759582, 3344124, 3463557, 3901478, 4139373, 4618076, 5519164, 5852217, 6927114, 7802956, 8081633, 8278746, 11704434, 13854228, 16163266, 16557492, 23408868, 24244899, 32326532, 48489798, 56571431, 96979596, 113142862, 169714293, 226285724, 339428586, 678857172]

約数ペア:

[(1, 678857172), (2, 339428586), (3, 226285724), (4, 169714293), (6, 113142862), (7, 96979596), (12, 56571431), (14, 48489798), (21, 32326532), (28, 24244899), (29, 23408868), (41, 16557492), (42, 16163266), (49, 13854228), (58, 11704434), (82, 8278746), (84, 8081633), (87, 7802956), (98, 6927114), (116, 5852217), (123, 5519164), (147, 4618076), (164, 4139373), (174, 3901478), (196, 3463557), (203, 3344124), (246, 2759582), (287, 2365356), (294, 2309038), (348, 1950739), (406, 1672062), (492, 1379791), (574, 1182678), (588, 1154519), (609, 1114708), (812, 836031), (861, 788452), (971, 699132), (1148, 591339), (1189, 570948), (1218, 557354), (1421, 477732), (1722, 394226), (1942, 349566), (2009, 337908), (2378, 285474), (2436, 278677), (2842, 238866), (2913, 233044), (3444, 197113), (3567, 190316), (3884, 174783), (4018, 168954), (4263, 159244), (4756, 142737), (5684, 119433), (5826, 116522), (6027, 112636), (6797, 99876), (7134, 95158), (8036, 84477), (8323, 81564), (8526, 79622), (11652, 58261), (12054, 56318), (13594, 49938), (14268, 47579), (16646, 40782), (17052, 39811), (20391, 33292), (24108, 28159), (24969, 27188)]