393041090

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{97}}^1\times {\mathrm{439}}^1$

素因数の和:627

約数の個数: 64

約数和(自身を含む): 782369280

約数和(自身を除く): 389328190

約数列:

[1, 2, 5, 10, 13, 26, 65, 71, 97, 130, 142, 194, 355, 439, 485, 710, 878, 923, 970, 1261, 1846, 2195, 2522, 4390, 4615, 5707, 6305, 6887, 9230, 11414, 12610, 13774, 28535, 31169, 34435, 42583, 57070, 62338, 68870, 85166, 89531, 155845, 179062, 212915, 311690, 405197, 425830, 447655, 553579, 810394, 895310, 1107158, 2025985, 2767895, 3023393, 4051970, 5535790, 6046786, 15116965, 30233930, 39304109, 78608218, 196520545, 393041090]

約数ペア:

[(1, 393041090), (2, 196520545), (5, 78608218), (10, 39304109), (13, 30233930), (26, 15116965), (65, 6046786), (71, 5535790), (97, 4051970), (130, 3023393), (142, 2767895), (194, 2025985), (355, 1107158), (439, 895310), (485, 810394), (710, 553579), (878, 447655), (923, 425830), (970, 405197), (1261, 311690), (1846, 212915), (2195, 179062), (2522, 155845), (4390, 89531), (4615, 85166), (5707, 68870), (6305, 62338), (6887, 57070), (9230, 42583), (11414, 34435), (12610, 31169), (13774, 28535)]