83390372

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{31}}^1\times {\mathrm{179}}^1$

素因数の和:261

約数の個数: 72

約数和(自身を含む): 173295360

約数和(自身を除く): 89904988

約数列:

[1, 2, 4, 13, 17, 26, 31, 34, 52, 62, 68, 124, 179, 221, 289, 358, 403, 442, 527, 578, 716, 806, 884, 1054, 1156, 1612, 2108, 2327, 3043, 3757, 4654, 5549, 6086, 6851, 7514, 8959, 9308, 11098, 12172, 13702, 15028, 17918, 22196, 27404, 35836, 39559, 51731, 72137, 79118, 94333, 103462, 116467, 144274, 158236, 188666, 206924, 232934, 288548, 377332, 465868, 672503, 1226329, 1345006, 1603661, 2452658, 2690012, 3207322, 4905316, 6414644, 20847593, 41695186, 83390372]

約数ペア:

[(1, 83390372), (2, 41695186), (4, 20847593), (13, 6414644), (17, 4905316), (26, 3207322), (31, 2690012), (34, 2452658), (52, 1603661), (62, 1345006), (68, 1226329), (124, 672503), (179, 465868), (221, 377332), (289, 288548), (358, 232934), (403, 206924), (442, 188666), (527, 158236), (578, 144274), (716, 116467), (806, 103462), (884, 94333), (1054, 79118), (1156, 72137), (1612, 51731), (2108, 39559), (2327, 35836), (3043, 27404), (3757, 22196), (4654, 17918), (5549, 15028), (6086, 13702), (6851, 12172), (7514, 11098), (8959, 9308)]