17489420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{491}}^1$

素因数の和:650

約数の個数: 48

約数和(自身を含む): 39922848

約数和(自身を除く): 22433428

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 137, 260, 274, 491, 548, 685, 982, 1370, 1781, 1964, 2455, 2740, 3562, 4910, 6383, 7124, 8905, 9820, 12766, 17810, 25532, 31915, 35620, 63830, 67267, 127660, 134534, 269068, 336335, 672670, 874471, 1345340, 1748942, 3497884, 4372355, 8744710, 17489420]

約数ペア:

[(1, 17489420), (2, 8744710), (4, 4372355), (5, 3497884), (10, 1748942), (13, 1345340), (20, 874471), (26, 672670), (52, 336335), (65, 269068), (130, 134534), (137, 127660), (260, 67267), (274, 63830), (491, 35620), (548, 31915), (685, 25532), (982, 17810), (1370, 12766), (1781, 9820), (1964, 8905), (2455, 7124), (2740, 6383), (3562, 4910)]