221078608

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{157}}^1\times {\mathrm{167}}^1$

素因数の和:380

約数の個数: 80

約数和(自身を含む): 473969664

約数和(自身を除く): 252891056

約数列:

[1, 2, 4, 8, 16, 17, 31, 34, 62, 68, 124, 136, 157, 167, 248, 272, 314, 334, 496, 527, 628, 668, 1054, 1256, 1336, 2108, 2512, 2669, 2672, 2839, 4216, 4867, 5177, 5338, 5678, 8432, 9734, 10354, 10676, 11356, 19468, 20708, 21352, 22712, 26219, 38936, 41416, 42704, 45424, 52438, 77872, 82739, 82832, 88009, 104876, 165478, 176018, 209752, 330956, 352036, 419504, 445723, 661912, 704072, 812789, 891446, 1323824, 1408144, 1625578, 1782892, 3251156, 3565784, 6502312, 7131568, 13004624, 13817413, 27634826, 55269652, 110539304, 221078608]

約数ペア:

[(1, 221078608), (2, 110539304), (4, 55269652), (8, 27634826), (16, 13817413), (17, 13004624), (31, 7131568), (34, 6502312), (62, 3565784), (68, 3251156), (124, 1782892), (136, 1625578), (157, 1408144), (167, 1323824), (248, 891446), (272, 812789), (314, 704072), (334, 661912), (496, 445723), (527, 419504), (628, 352036), (668, 330956), (1054, 209752), (1256, 176018), (1336, 165478), (2108, 104876), (2512, 88009), (2669, 82832), (2672, 82739), (2839, 77872), (4216, 52438), (4867, 45424), (5177, 42704), (5338, 41416), (5678, 38936), (8432, 26219), (9734, 22712), (10354, 21352), (10676, 20708), (11356, 19468)]