405995330

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{191}}^1\times {\mathrm{197}}^1$

素因数の和:491

約数の個数: 64

約数和(自身を含む): 804722688

約数和(自身を除く): 398727358

約数列:

[1, 2, 5, 10, 13, 26, 65, 83, 130, 166, 191, 197, 382, 394, 415, 830, 955, 985, 1079, 1910, 1970, 2158, 2483, 2561, 4966, 5122, 5395, 10790, 12415, 12805, 15853, 16351, 24830, 25610, 31706, 32702, 37627, 75254, 79265, 81755, 158530, 163510, 188135, 206089, 212563, 376270, 412178, 425126, 489151, 978302, 1030445, 1062815, 2060890, 2125630, 2445755, 3123041, 4891510, 6246082, 15615205, 31230410, 40599533, 81199066, 202997665, 405995330]

約数ペア:

[(1, 405995330), (2, 202997665), (5, 81199066), (10, 40599533), (13, 31230410), (26, 15615205), (65, 6246082), (83, 4891510), (130, 3123041), (166, 2445755), (191, 2125630), (197, 2060890), (382, 1062815), (394, 1030445), (415, 978302), (830, 489151), (955, 425126), (985, 412178), (1079, 376270), (1910, 212563), (1970, 206089), (2158, 188135), (2483, 163510), (2561, 158530), (4966, 81755), (5122, 79265), (5395, 75254), (10790, 37627), (12415, 32702), (12805, 31706), (15853, 25610), (16351, 24830)]