398564608

素因数分解:

$2^8\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{127}}^1$

素因数の和:220

約数の個数: 144

約数和(自身を含む): 923037696

約数和(自身を除く): 524473088

約数列:

[1, 2, 4, 8, 13, 16, 23, 26, 32, 41, 46, 52, 64, 82, 92, 104, 127, 128, 164, 184, 208, 254, 256, 299, 328, 368, 416, 508, 533, 598, 656, 736, 832, 943, 1016, 1066, 1196, 1312, 1472, 1651, 1664, 1886, 2032, 2132, 2392, 2624, 2921, 2944, 3302, 3328, 3772, 4064, 4264, 4784, 5207, 5248, 5842, 5888, 6604, 7544, 8128, 8528, 9568, 10414, 10496, 11684, 12259, 13208, 15088, 16256, 17056, 19136, 20828, 23368, 24518, 26416, 30176, 32512, 34112, 37973, 38272, 41656, 46736, 49036, 52832, 60352, 67691, 68224, 75946, 76544, 83312, 93472, 98072, 105664, 119761, 120704, 135382, 136448, 151892, 166624, 186944, 196144, 211328, 239522, 241408, 270764, 303784, 333248, 373888, 392288, 422656, 479044, 541528, 607568, 666496, 747776, 784576, 958088, 1083056, 1215136, 1332992, 1556893, 1569152, 1916176, 2166112, 2430272, 3113786, 3138304, 3832352, 4332224, 4860544, 6227572, 7664704, 8664448, 9721088, 12455144, 15329408, 17328896, 24910288, 30658816, 49820576, 99641152, 199282304, 398564608]

約数ペア:

[(1, 398564608), (2, 199282304), (4, 99641152), (8, 49820576), (13, 30658816), (16, 24910288), (23, 17328896), (26, 15329408), (32, 12455144), (41, 9721088), (46, 8664448), (52, 7664704), (64, 6227572), (82, 4860544), (92, 4332224), (104, 3832352), (127, 3138304), (128, 3113786), (164, 2430272), (184, 2166112), (208, 1916176), (254, 1569152), (256, 1556893), (299, 1332992), (328, 1215136), (368, 1083056), (416, 958088), (508, 784576), (533, 747776), (598, 666496), (656, 607568), (736, 541528), (832, 479044), (943, 422656), (1016, 392288), (1066, 373888), (1196, 333248), (1312, 303784), (1472, 270764), (1651, 241408), (1664, 239522), (1886, 211328), (2032, 196144), (2132, 186944), (2392, 166624), (2624, 151892), (2921, 136448), (2944, 135382), (3302, 120704), (3328, 119761), (3772, 105664), (4064, 98072), (4264, 93472), (4784, 83312), (5207, 76544), (5248, 75946), (5842, 68224), (5888, 67691), (6604, 60352), (7544, 52832), (8128, 49036), (8528, 46736), (9568, 41656), (10414, 38272), (10496, 37973), (11684, 34112), (12259, 32512), (13208, 30176), (15088, 26416), (16256, 24518), (17056, 23368), (19136, 20828)]