215971872016

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{661}}^1\times {\mathrm{887867}}^1$

素因数の和:888559

約数の個数: 40

約数和(自身を含む): 437299850304

約数和(自身を除く): 221327978288

約数列:

[1, 2, 4, 8, 16, 23, 46, 92, 184, 368, 661, 1322, 2644, 5288, 10576, 15203, 30406, 60812, 121624, 243248, 887867, 1775734, 3551468, 7102936, 14205872, 20420941, 40841882, 81683764, 163367528, 326735056, 586880087, 1173760174, 2347520348, 4695040696, 9390081392, 13498242001, 26996484002, 53992968004, 107985936008, 215971872016]

約数ペア:

[(1, 215971872016), (2, 107985936008), (4, 53992968004), (8, 26996484002), (16, 13498242001), (23, 9390081392), (46, 4695040696), (92, 2347520348), (184, 1173760174), (368, 586880087), (661, 326735056), (1322, 163367528), (2644, 81683764), (5288, 40841882), (10576, 20420941), (15203, 14205872), (30406, 7102936), (60812, 3551468), (121624, 1775734), (243248, 887867)]