64676990

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{199}}^1\times {\mathrm{4643}}^1$

素因数の和:4856

約数の個数: 32

約数和(自身を含む): 133747200

約数和(自身を除く): 69070210

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 199, 398, 995, 1393, 1990, 2786, 4643, 6965, 9286, 13930, 23215, 32501, 46430, 65002, 162505, 325010, 923957, 1847914, 4619785, 6467699, 9239570, 12935398, 32338495, 64676990]

約数ペア:

[(1, 64676990), (2, 32338495), (5, 12935398), (7, 9239570), (10, 6467699), (14, 4619785), (35, 1847914), (70, 923957), (199, 325010), (398, 162505), (995, 65002), (1393, 46430), (1990, 32501), (2786, 23215), (4643, 13930), (6965, 9286)]