64445590

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{18899}}^1$

素因数の和:18948

約数の個数: 32

約数和(自身を含む): 130636800

約数和(自身を除く): 66191210

約数列:

[1, 2, 5, 10, 11, 22, 31, 55, 62, 110, 155, 310, 341, 682, 1705, 3410, 18899, 37798, 94495, 188990, 207889, 415778, 585869, 1039445, 1171738, 2078890, 2929345, 5858690, 6444559, 12889118, 32222795, 64445590]

約数ペア:

[(1, 64445590), (2, 32222795), (5, 12889118), (10, 6444559), (11, 5858690), (22, 2929345), (31, 2078890), (55, 1171738), (62, 1039445), (110, 585869), (155, 415778), (310, 207889), (341, 188990), (682, 94495), (1705, 37798), (3410, 18899)]