217732864

素因数分解:

$2^8\times {\mathrm{37}}^1\times {\mathrm{127}}^1\times {\mathrm{181}}^1$

素因数の和:361

約数の個数: 72

約数和(自身を含む): 452361728

約数和(自身を除く): 234628864

約数列:

[1, 2, 4, 8, 16, 32, 37, 64, 74, 127, 128, 148, 181, 254, 256, 296, 362, 508, 592, 724, 1016, 1184, 1448, 2032, 2368, 2896, 4064, 4699, 4736, 5792, 6697, 8128, 9398, 9472, 11584, 13394, 16256, 18796, 22987, 23168, 26788, 32512, 37592, 45974, 46336, 53576, 75184, 91948, 107152, 150368, 183896, 214304, 300736, 367792, 428608, 601472, 735584, 850519, 857216, 1202944, 1471168, 1701038, 1714432, 2942336, 3402076, 5884672, 6804152, 13608304, 27216608, 54433216, 108866432, 217732864]

約数ペア:

[(1, 217732864), (2, 108866432), (4, 54433216), (8, 27216608), (16, 13608304), (32, 6804152), (37, 5884672), (64, 3402076), (74, 2942336), (127, 1714432), (128, 1701038), (148, 1471168), (181, 1202944), (254, 857216), (256, 850519), (296, 735584), (362, 601472), (508, 428608), (592, 367792), (724, 300736), (1016, 214304), (1184, 183896), (1448, 150368), (2032, 107152), (2368, 91948), (2896, 75184), (4064, 53576), (4699, 46336), (4736, 45974), (5792, 37592), (6697, 32512), (8128, 26788), (9398, 23168), (9472, 22987), (11584, 18796), (13394, 16256)]