221279183792

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{661}}^1\times {\mathrm{1230751}}^1$

素因数の和:1231437

約数の個数: 40

約数和(自身を含む): 454634865792

約数和(自身を除く): 233355682000

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 661, 1322, 2644, 5288, 10576, 11237, 22474, 44948, 89896, 179792, 1230751, 2461502, 4923004, 9846008, 19692016, 20922767, 41845534, 83691068, 167382136, 334764272, 813526411, 1627052822, 3254105644, 6508211288, 13016422576, 13829948987, 27659897974, 55319795948, 110639591896, 221279183792]

約数ペア:

[(1, 221279183792), (2, 110639591896), (4, 55319795948), (8, 27659897974), (16, 13829948987), (17, 13016422576), (34, 6508211288), (68, 3254105644), (136, 1627052822), (272, 813526411), (661, 334764272), (1322, 167382136), (2644, 83691068), (5288, 41845534), (10576, 20922767), (11237, 19692016), (22474, 9846008), (44948, 4923004), (89896, 2461502), (179792, 1230751)]