28974816

素因数分解:

$2^5\times 3^2\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{109}}^1$

素因数の和:209

約数の個数: 144

約数和(自身を含む): 90810720

約数和(自身を除く): 61835904

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 32, 36, 39, 48, 52, 71, 72, 78, 96, 104, 109, 117, 142, 144, 156, 208, 213, 218, 234, 284, 288, 312, 327, 416, 426, 436, 468, 568, 624, 639, 654, 852, 872, 923, 936, 981, 1136, 1248, 1278, 1308, 1417, 1704, 1744, 1846, 1872, 1962, 2272, 2556, 2616, 2769, 2834, 3408, 3488, 3692, 3744, 3924, 4251, 5112, 5232, 5538, 5668, 6816, 7384, 7739, 7848, 8307, 8502, 10224, 10464, 11076, 11336, 12753, 14768, 15478, 15696, 16614, 17004, 20448, 22152, 22672, 23217, 25506, 29536, 30956, 31392, 33228, 34008, 44304, 45344, 46434, 51012, 61912, 66456, 68016, 69651, 88608, 92868, 100607, 102024, 123824, 132912, 136032, 139302, 185736, 201214, 204048, 247648, 265824, 278604, 301821, 371472, 402428, 408096, 557208, 603642, 742944, 804856, 905463, 1114416, 1207284, 1609712, 1810926, 2228832, 2414568, 3219424, 3621852, 4829136, 7243704, 9658272, 14487408, 28974816]

約数ペア:

[(1, 28974816), (2, 14487408), (3, 9658272), (4, 7243704), (6, 4829136), (8, 3621852), (9, 3219424), (12, 2414568), (13, 2228832), (16, 1810926), (18, 1609712), (24, 1207284), (26, 1114416), (32, 905463), (36, 804856), (39, 742944), (48, 603642), (52, 557208), (71, 408096), (72, 402428), (78, 371472), (96, 301821), (104, 278604), (109, 265824), (117, 247648), (142, 204048), (144, 201214), (156, 185736), (208, 139302), (213, 136032), (218, 132912), (234, 123824), (284, 102024), (288, 100607), (312, 92868), (327, 88608), (416, 69651), (426, 68016), (436, 66456), (468, 61912), (568, 51012), (624, 46434), (639, 45344), (654, 44304), (852, 34008), (872, 33228), (923, 31392), (936, 30956), (981, 29536), (1136, 25506), (1248, 23217), (1278, 22672), (1308, 22152), (1417, 20448), (1704, 17004), (1744, 16614), (1846, 15696), (1872, 15478), (1962, 14768), (2272, 12753), (2556, 11336), (2616, 11076), (2769, 10464), (2834, 10224), (3408, 8502), (3488, 8307), (3692, 7848), (3744, 7739), (3924, 7384), (4251, 6816), (5112, 5668), (5232, 5538)]