156831610

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{19777}}^1$

素因数の和:19858

約数の個数: 32

約数和(自身を含む): 309011472

約数和(自身を除く): 152179862

約数列:

[1, 2, 5, 10, 13, 26, 61, 65, 122, 130, 305, 610, 793, 1586, 3965, 7930, 19777, 39554, 98885, 197770, 257101, 514202, 1206397, 1285505, 2412794, 2571010, 6031985, 12063970, 15683161, 31366322, 78415805, 156831610]

約数ペア:

[(1, 156831610), (2, 78415805), (5, 31366322), (10, 15683161), (13, 12063970), (26, 6031985), (61, 2571010), (65, 2412794), (122, 1285505), (130, 1206397), (305, 514202), (610, 257101), (793, 197770), (1586, 98885), (3965, 39554), (7930, 19777)]