77987196

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{149}}^1$

素因数の和:264

約数の個数: 144

約数和(自身を含む): 237619200

約数和(自身を除く): 159632004

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 31, 36, 42, 62, 63, 67, 84, 93, 124, 126, 134, 149, 186, 201, 217, 252, 268, 279, 298, 372, 402, 434, 447, 469, 558, 596, 603, 651, 804, 868, 894, 938, 1043, 1116, 1206, 1302, 1341, 1407, 1788, 1876, 1953, 2077, 2086, 2412, 2604, 2682, 2814, 3129, 3906, 4154, 4172, 4221, 4619, 5364, 5628, 6231, 6258, 7812, 8308, 8442, 9238, 9387, 9983, 12462, 12516, 13857, 14539, 16884, 18476, 18693, 18774, 19966, 24924, 27714, 29078, 29949, 32333, 37386, 37548, 39932, 41571, 43617, 55428, 58156, 59898, 64666, 69881, 74772, 83142, 87234, 89847, 96999, 119796, 129332, 130851, 139762, 166284, 174468, 179694, 193998, 209643, 261702, 279524, 290997, 309473, 359388, 387996, 419286, 523404, 581994, 618946, 628929, 838572, 928419, 1163988, 1237892, 1257858, 1856838, 2166311, 2515716, 2785257, 3713676, 4332622, 5570514, 6498933, 8665244, 11141028, 12997866, 19496799, 25995732, 38993598, 77987196]

約数ペア:

[(1, 77987196), (2, 38993598), (3, 25995732), (4, 19496799), (6, 12997866), (7, 11141028), (9, 8665244), (12, 6498933), (14, 5570514), (18, 4332622), (21, 3713676), (28, 2785257), (31, 2515716), (36, 2166311), (42, 1856838), (62, 1257858), (63, 1237892), (67, 1163988), (84, 928419), (93, 838572), (124, 628929), (126, 618946), (134, 581994), (149, 523404), (186, 419286), (201, 387996), (217, 359388), (252, 309473), (268, 290997), (279, 279524), (298, 261702), (372, 209643), (402, 193998), (434, 179694), (447, 174468), (469, 166284), (558, 139762), (596, 130851), (603, 129332), (651, 119796), (804, 96999), (868, 89847), (894, 87234), (938, 83142), (1043, 74772), (1116, 69881), (1206, 64666), (1302, 59898), (1341, 58156), (1407, 55428), (1788, 43617), (1876, 41571), (1953, 39932), (2077, 37548), (2086, 37386), (2412, 32333), (2604, 29949), (2682, 29078), (2814, 27714), (3129, 24924), (3906, 19966), (4154, 18774), (4172, 18693), (4221, 18476), (4619, 16884), (5364, 14539), (5628, 13857), (6231, 12516), (6258, 12462), (7812, 9983), (8308, 9387), (8442, 9238)]