86875984

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{311}}^1$

素因数の和:428

約数の個数: 80

約数和(自身を含む): 194987520

約数和(自身を除く): 108111536

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 34, 52, 68, 79, 104, 136, 158, 208, 221, 272, 311, 316, 442, 622, 632, 884, 1027, 1244, 1264, 1343, 1768, 2054, 2488, 2686, 3536, 4043, 4108, 4976, 5287, 5372, 8086, 8216, 10574, 10744, 16172, 16432, 17459, 21148, 21488, 24569, 32344, 34918, 42296, 49138, 64688, 68731, 69836, 84592, 98276, 137462, 139672, 196552, 274924, 279344, 319397, 393104, 417673, 549848, 638794, 835346, 1099696, 1277588, 1670692, 2555176, 3341384, 5110352, 5429749, 6682768, 10859498, 21718996, 43437992, 86875984]

約数ペア:

[(1, 86875984), (2, 43437992), (4, 21718996), (8, 10859498), (13, 6682768), (16, 5429749), (17, 5110352), (26, 3341384), (34, 2555176), (52, 1670692), (68, 1277588), (79, 1099696), (104, 835346), (136, 638794), (158, 549848), (208, 417673), (221, 393104), (272, 319397), (311, 279344), (316, 274924), (442, 196552), (622, 139672), (632, 137462), (884, 98276), (1027, 84592), (1244, 69836), (1264, 68731), (1343, 64688), (1768, 49138), (2054, 42296), (2488, 34918), (2686, 32344), (3536, 24569), (4043, 21488), (4108, 21148), (4976, 17459), (5287, 16432), (5372, 16172), (8086, 10744), (8216, 10574)]