776504990

素因数分解:

$2^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{17929}}^1$

素因数の和:18068

約数の個数: 32

約数和(自身を含む): 1440711360

約数和(自身を除く): 664206370

約数列:

[1, 2, 5, 10, 61, 71, 122, 142, 305, 355, 610, 710, 4331, 8662, 17929, 21655, 35858, 43310, 89645, 179290, 1093669, 1272959, 2187338, 2545918, 5468345, 6364795, 10936690, 12729590, 77650499, 155300998, 388252495, 776504990]

約数ペア:

[(1, 776504990), (2, 388252495), (5, 155300998), (10, 77650499), (61, 12729590), (71, 10936690), (122, 6364795), (142, 5468345), (305, 2545918), (355, 2187338), (610, 1272959), (710, 1093669), (4331, 179290), (8662, 89645), (17929, 43310), (21655, 35858)]