287957692

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{67}}^1\times {\mathrm{97}}^1$

素因数の和:251

約数の個数: 96

約数和(自身を含む): 604558080

約数和(自身を除く): 316600388

約数列:

[1, 2, 4, 11, 19, 22, 38, 44, 53, 67, 76, 97, 106, 134, 194, 209, 212, 268, 388, 418, 583, 737, 836, 1007, 1067, 1166, 1273, 1474, 1843, 2014, 2134, 2332, 2546, 2948, 3551, 3686, 4028, 4268, 5092, 5141, 6499, 7102, 7372, 10282, 11077, 12998, 14003, 14204, 20273, 20564, 22154, 25996, 28006, 39061, 40546, 44308, 56012, 56551, 67469, 71489, 78122, 81092, 97679, 113102, 123481, 134938, 142978, 156244, 195358, 226204, 246962, 269876, 285956, 344447, 390716, 493924, 688894, 742159, 1074469, 1358291, 1377788, 1484318, 2148938, 2716582, 2968636, 3788917, 4297876, 5433164, 6544493, 7577834, 13088986, 15155668, 26177972, 71989423, 143978846, 287957692]

約数ペア:

[(1, 287957692), (2, 143978846), (4, 71989423), (11, 26177972), (19, 15155668), (22, 13088986), (38, 7577834), (44, 6544493), (53, 5433164), (67, 4297876), (76, 3788917), (97, 2968636), (106, 2716582), (134, 2148938), (194, 1484318), (209, 1377788), (212, 1358291), (268, 1074469), (388, 742159), (418, 688894), (583, 493924), (737, 390716), (836, 344447), (1007, 285956), (1067, 269876), (1166, 246962), (1273, 226204), (1474, 195358), (1843, 156244), (2014, 142978), (2134, 134938), (2332, 123481), (2546, 113102), (2948, 97679), (3551, 81092), (3686, 78122), (4028, 71489), (4268, 67469), (5092, 56551), (5141, 56012), (6499, 44308), (7102, 40546), (7372, 39061), (10282, 28006), (11077, 25996), (12998, 22154), (14003, 20564), (14204, 20273)]