131238368

素因数分解:

$2^5\times {\mathrm{17}}^2\times {\mathrm{23}}^1\times {\mathrm{617}}^1$

素因数の和:684

約数の個数: 72

約数和(自身を含む): 286865712

約数和(自身を除く): 155627344

約数列:

[1, 2, 4, 8, 16, 17, 23, 32, 34, 46, 68, 92, 136, 184, 272, 289, 368, 391, 544, 578, 617, 736, 782, 1156, 1234, 1564, 2312, 2468, 3128, 4624, 4936, 6256, 6647, 9248, 9872, 10489, 12512, 13294, 14191, 19744, 20978, 26588, 28382, 41956, 53176, 56764, 83912, 106352, 113528, 167824, 178313, 212704, 227056, 241247, 335648, 356626, 454112, 482494, 713252, 964988, 1426504, 1929976, 2853008, 3859952, 4101199, 5706016, 7719904, 8202398, 16404796, 32809592, 65619184, 131238368]

約数ペア:

[(1, 131238368), (2, 65619184), (4, 32809592), (8, 16404796), (16, 8202398), (17, 7719904), (23, 5706016), (32, 4101199), (34, 3859952), (46, 2853008), (68, 1929976), (92, 1426504), (136, 964988), (184, 713252), (272, 482494), (289, 454112), (368, 356626), (391, 335648), (544, 241247), (578, 227056), (617, 212704), (736, 178313), (782, 167824), (1156, 113528), (1234, 106352), (1564, 83912), (2312, 56764), (2468, 53176), (3128, 41956), (4624, 28382), (4936, 26588), (6256, 20978), (6647, 19744), (9248, 14191), (9872, 13294), (10489, 12512)]