31870728

素因数分解:

$2^3\times 3^2\times {\mathrm{31}}^1\times {\mathrm{109}}^1\times {\mathrm{131}}^1$

素因数の和:283

約数の個数: 96

約数和(自身を含む): 90604800

約数和(自身を除く): 58734072

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 31, 36, 62, 72, 93, 109, 124, 131, 186, 218, 248, 262, 279, 327, 372, 393, 436, 524, 558, 654, 744, 786, 872, 981, 1048, 1116, 1179, 1308, 1572, 1962, 2232, 2358, 2616, 3144, 3379, 3924, 4061, 4716, 6758, 7848, 8122, 9432, 10137, 12183, 13516, 14279, 16244, 20274, 24366, 27032, 28558, 30411, 32488, 36549, 40548, 42837, 48732, 57116, 60822, 73098, 81096, 85674, 97464, 114232, 121644, 128511, 146196, 171348, 243288, 257022, 292392, 342696, 442649, 514044, 885298, 1028088, 1327947, 1770596, 2655894, 3541192, 3983841, 5311788, 7967682, 10623576, 15935364, 31870728]

約数ペア:

[(1, 31870728), (2, 15935364), (3, 10623576), (4, 7967682), (6, 5311788), (8, 3983841), (9, 3541192), (12, 2655894), (18, 1770596), (24, 1327947), (31, 1028088), (36, 885298), (62, 514044), (72, 442649), (93, 342696), (109, 292392), (124, 257022), (131, 243288), (186, 171348), (218, 146196), (248, 128511), (262, 121644), (279, 114232), (327, 97464), (372, 85674), (393, 81096), (436, 73098), (524, 60822), (558, 57116), (654, 48732), (744, 42837), (786, 40548), (872, 36549), (981, 32488), (1048, 30411), (1116, 28558), (1179, 27032), (1308, 24366), (1572, 20274), (1962, 16244), (2232, 14279), (2358, 13516), (2616, 12183), (3144, 10137), (3379, 9432), (3924, 8122), (4061, 7848), (4716, 6758)]