81231228

素因数分解:

$2^2\times 3^3\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{1231}}^1$

素因数の和:1304

約数の個数: 96

約数和(自身を含む): 231813120

約数和(自身を除く): 150581892

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 27, 36, 39, 47, 52, 54, 78, 94, 108, 117, 141, 156, 188, 234, 282, 351, 423, 468, 564, 611, 702, 846, 1222, 1231, 1269, 1404, 1692, 1833, 2444, 2462, 2538, 3666, 3693, 4924, 5076, 5499, 7332, 7386, 10998, 11079, 14772, 16003, 16497, 21996, 22158, 32006, 32994, 33237, 44316, 48009, 57857, 64012, 65988, 66474, 96018, 115714, 132948, 144027, 173571, 192036, 231428, 288054, 347142, 432081, 520713, 576108, 694284, 752141, 864162, 1041426, 1504282, 1562139, 1728324, 2082852, 2256423, 3008564, 3124278, 4512846, 6248556, 6769269, 9025692, 13538538, 20307807, 27077076, 40615614, 81231228]

約数ペア:

[(1, 81231228), (2, 40615614), (3, 27077076), (4, 20307807), (6, 13538538), (9, 9025692), (12, 6769269), (13, 6248556), (18, 4512846), (26, 3124278), (27, 3008564), (36, 2256423), (39, 2082852), (47, 1728324), (52, 1562139), (54, 1504282), (78, 1041426), (94, 864162), (108, 752141), (117, 694284), (141, 576108), (156, 520713), (188, 432081), (234, 347142), (282, 288054), (351, 231428), (423, 192036), (468, 173571), (564, 144027), (611, 132948), (702, 115714), (846, 96018), (1222, 66474), (1231, 65988), (1269, 64012), (1404, 57857), (1692, 48009), (1833, 44316), (2444, 33237), (2462, 32994), (2538, 32006), (3666, 22158), (3693, 21996), (4924, 16497), (5076, 16003), (5499, 14772), (7332, 11079), (7386, 10998)]