218911212

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{191}}^1$

素因数の和:324

約数の個数: 144

約数和(自身を含む): 626196480

約数和(自身を除く): 407285268

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 31, 36, 39, 52, 62, 78, 79, 93, 117, 124, 156, 158, 186, 191, 234, 237, 279, 316, 372, 382, 403, 468, 474, 558, 573, 711, 764, 806, 948, 1027, 1116, 1146, 1209, 1422, 1612, 1719, 2054, 2292, 2418, 2449, 2483, 2844, 3081, 3438, 3627, 4108, 4836, 4898, 4966, 5921, 6162, 6876, 7254, 7347, 7449, 9243, 9796, 9932, 11842, 12324, 14508, 14694, 14898, 15089, 17763, 18486, 22041, 22347, 23684, 29388, 29796, 30178, 31837, 35526, 36972, 44082, 44694, 45267, 53289, 60356, 63674, 71052, 76973, 88164, 89388, 90534, 95511, 106578, 127348, 135801, 153946, 181068, 191022, 196157, 213156, 230919, 271602, 286533, 307892, 382044, 392314, 461838, 467759, 543204, 573066, 588471, 692757, 784628, 923676, 935518, 1146132, 1176942, 1385514, 1403277, 1765413, 1871036, 2353884, 2771028, 2806554, 3530826, 4209831, 5613108, 6080867, 7061652, 8419662, 12161734, 16839324, 18242601, 24323468, 36485202, 54727803, 72970404, 109455606, 218911212]

約数ペア:

[(1, 218911212), (2, 109455606), (3, 72970404), (4, 54727803), (6, 36485202), (9, 24323468), (12, 18242601), (13, 16839324), (18, 12161734), (26, 8419662), (31, 7061652), (36, 6080867), (39, 5613108), (52, 4209831), (62, 3530826), (78, 2806554), (79, 2771028), (93, 2353884), (117, 1871036), (124, 1765413), (156, 1403277), (158, 1385514), (186, 1176942), (191, 1146132), (234, 935518), (237, 923676), (279, 784628), (316, 692757), (372, 588471), (382, 573066), (403, 543204), (468, 467759), (474, 461838), (558, 392314), (573, 382044), (711, 307892), (764, 286533), (806, 271602), (948, 230919), (1027, 213156), (1116, 196157), (1146, 191022), (1209, 181068), (1422, 153946), (1612, 135801), (1719, 127348), (2054, 106578), (2292, 95511), (2418, 90534), (2449, 89388), (2483, 88164), (2844, 76973), (3081, 71052), (3438, 63674), (3627, 60356), (4108, 53289), (4836, 45267), (4898, 44694), (4966, 44082), (5921, 36972), (6162, 35526), (6876, 31837), (7254, 30178), (7347, 29796), (7449, 29388), (9243, 23684), (9796, 22347), (9932, 22041), (11842, 18486), (12324, 17763), (14508, 15089), (14694, 14898)]