1277776916

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{109}}^1\times {\mathrm{149}}^1$

素因数の和:381

約数の個数: 96

約数和(自身を含む): 2619540000

約数和(自身を除く): 1341763084

約数列:

[1, 2, 4, 13, 17, 26, 34, 52, 68, 89, 109, 149, 178, 218, 221, 298, 356, 436, 442, 596, 884, 1157, 1417, 1513, 1853, 1937, 2314, 2533, 2834, 3026, 3706, 3874, 4628, 5066, 5668, 6052, 7412, 7748, 9701, 10132, 13261, 16241, 19402, 19669, 24089, 26522, 32482, 32929, 38804, 39338, 48178, 53044, 64964, 65858, 78676, 96356, 126113, 131716, 164917, 172393, 211133, 225437, 252226, 276097, 329834, 344786, 422266, 450874, 504452, 552194, 659668, 689572, 844532, 901748, 1104388, 1445449, 2143921, 2890898, 2930681, 3589261, 4287842, 5781796, 5861362, 7178522, 8575684, 11722724, 14357044, 18790837, 24572633, 37581674, 49145266, 75163348, 98290532, 319444229, 638888458, 1277776916]

約数ペア:

[(1, 1277776916), (2, 638888458), (4, 319444229), (13, 98290532), (17, 75163348), (26, 49145266), (34, 37581674), (52, 24572633), (68, 18790837), (89, 14357044), (109, 11722724), (149, 8575684), (178, 7178522), (218, 5861362), (221, 5781796), (298, 4287842), (356, 3589261), (436, 2930681), (442, 2890898), (596, 2143921), (884, 1445449), (1157, 1104388), (1417, 901748), (1513, 844532), (1853, 689572), (1937, 659668), (2314, 552194), (2533, 504452), (2834, 450874), (3026, 422266), (3706, 344786), (3874, 329834), (4628, 276097), (5066, 252226), (5668, 225437), (6052, 211133), (7412, 172393), (7748, 164917), (9701, 131716), (10132, 126113), (13261, 96356), (16241, 78676), (19402, 65858), (19669, 64964), (24089, 53044), (26522, 48178), (32482, 39338), (32929, 38804)]