221223522

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{317}}^1\times {\mathrm{389}}^1$

素因数の和:747

約数の個数: 64

約数和(自身を含む): 500048640

約数和(自身を除く): 278825118

約数列:

[1, 2, 3, 6, 13, 23, 26, 39, 46, 69, 78, 138, 299, 317, 389, 598, 634, 778, 897, 951, 1167, 1794, 1902, 2334, 4121, 5057, 7291, 8242, 8947, 10114, 12363, 14582, 15171, 17894, 21873, 24726, 26841, 30342, 43746, 53682, 94783, 116311, 123313, 189566, 232622, 246626, 284349, 348933, 369939, 568698, 697866, 739878, 1603069, 2836199, 3206138, 4809207, 5672398, 8508597, 9618414, 17017194, 36870587, 73741174, 110611761, 221223522]

約数ペア:

[(1, 221223522), (2, 110611761), (3, 73741174), (6, 36870587), (13, 17017194), (23, 9618414), (26, 8508597), (39, 5672398), (46, 4809207), (69, 3206138), (78, 2836199), (138, 1603069), (299, 739878), (317, 697866), (389, 568698), (598, 369939), (634, 348933), (778, 284349), (897, 246626), (951, 232622), (1167, 189566), (1794, 123313), (1902, 116311), (2334, 94783), (4121, 53682), (5057, 43746), (7291, 30342), (8242, 26841), (8947, 24726), (10114, 21873), (12363, 17894), (14582, 15171)]