28781630

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{1627}}^1$

素因数の和:1724

約数の個数: 32

約数和(自身を含む): 54505440

約数和(自身を除く): 25723810

約数列:

[1, 2, 5, 10, 29, 58, 61, 122, 145, 290, 305, 610, 1627, 1769, 3254, 3538, 8135, 8845, 16270, 17690, 47183, 94366, 99247, 198494, 235915, 471830, 496235, 992470, 2878163, 5756326, 14390815, 28781630]

約数ペア:

[(1, 28781630), (2, 14390815), (5, 5756326), (10, 2878163), (29, 992470), (58, 496235), (61, 471830), (122, 235915), (145, 198494), (290, 99247), (305, 94366), (610, 47183), (1627, 17690), (1769, 16270), (3254, 8845), (3538, 8135)]