78572538

素因数分解:

$2^1\times 3^3\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{251}}^1$

素因数の和:321

約数の個数: 128

約数和(自身を含む): 209018880

約数和(自身を除く): 130446342

約数列:

[1, 2, 3, 6, 9, 11, 17, 18, 22, 27, 31, 33, 34, 51, 54, 62, 66, 93, 99, 102, 153, 186, 187, 198, 251, 279, 297, 306, 341, 374, 459, 502, 527, 558, 561, 594, 682, 753, 837, 918, 1023, 1054, 1122, 1506, 1581, 1674, 1683, 2046, 2259, 2761, 3069, 3162, 3366, 4267, 4518, 4743, 5049, 5522, 5797, 6138, 6777, 7781, 8283, 8534, 9207, 9486, 10098, 11594, 12801, 13554, 14229, 15562, 16566, 17391, 18414, 23343, 24849, 25602, 28458, 34782, 38403, 46686, 46937, 49698, 52173, 70029, 74547, 76806, 85591, 93874, 104346, 115209, 132277, 140058, 140811, 149094, 156519, 171182, 210087, 230418, 256773, 264554, 281622, 313038, 396831, 420174, 422433, 513546, 770319, 793662, 844866, 1190493, 1267299, 1455047, 1540638, 2310957, 2380986, 2534598, 2910094, 3571479, 4365141, 4621914, 7142958, 8730282, 13095423, 26190846, 39286269, 78572538]

約数ペア:

[(1, 78572538), (2, 39286269), (3, 26190846), (6, 13095423), (9, 8730282), (11, 7142958), (17, 4621914), (18, 4365141), (22, 3571479), (27, 2910094), (31, 2534598), (33, 2380986), (34, 2310957), (51, 1540638), (54, 1455047), (62, 1267299), (66, 1190493), (93, 844866), (99, 793662), (102, 770319), (153, 513546), (186, 422433), (187, 420174), (198, 396831), (251, 313038), (279, 281622), (297, 264554), (306, 256773), (341, 230418), (374, 210087), (459, 171182), (502, 156519), (527, 149094), (558, 140811), (561, 140058), (594, 132277), (682, 115209), (753, 104346), (837, 93874), (918, 85591), (1023, 76806), (1054, 74547), (1122, 70029), (1506, 52173), (1581, 49698), (1674, 46937), (1683, 46686), (2046, 38403), (2259, 34782), (2761, 28458), (3069, 25602), (3162, 24849), (3366, 23343), (4267, 18414), (4518, 17391), (4743, 16566), (5049, 15562), (5522, 14229), (5797, 13554), (6138, 12801), (6777, 11594), (7781, 10098), (8283, 9486), (8534, 9207)]