155860490

素因数分解:

$2^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{197}}^1\times {\mathrm{1297}}^1$

素因数の和:1562

約数の個数: 32

約数和(自身を含む): 286816464

約数和(自身を除く): 130955974

約数列:

[1, 2, 5, 10, 61, 122, 197, 305, 394, 610, 985, 1297, 1970, 2594, 6485, 12017, 12970, 24034, 60085, 79117, 120170, 158234, 255509, 395585, 511018, 791170, 1277545, 2555090, 15586049, 31172098, 77930245, 155860490]

約数ペア:

[(1, 155860490), (2, 77930245), (5, 31172098), (10, 15586049), (61, 2555090), (122, 1277545), (197, 791170), (305, 511018), (394, 395585), (610, 255509), (985, 158234), (1297, 120170), (1970, 79117), (2594, 60085), (6485, 24034), (12017, 12970)]