81633728

素因数分解:

$2^6\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{359}}^1$

素因数の和:418

約数の個数: 112

約数和(自身を含む): 197510400

約数和(自身を除く): 115876672

約数列:

[1, 2, 4, 8, 11, 16, 17, 19, 22, 32, 34, 38, 44, 64, 68, 76, 88, 136, 152, 176, 187, 209, 272, 304, 323, 352, 359, 374, 418, 544, 608, 646, 704, 718, 748, 836, 1088, 1216, 1292, 1436, 1496, 1672, 2584, 2872, 2992, 3344, 3553, 3949, 5168, 5744, 5984, 6103, 6688, 6821, 7106, 7898, 10336, 11488, 11968, 12206, 13376, 13642, 14212, 15796, 20672, 22976, 24412, 27284, 28424, 31592, 48824, 54568, 56848, 63184, 67133, 75031, 97648, 109136, 113696, 115957, 126368, 134266, 150062, 195296, 218272, 227392, 231914, 252736, 268532, 300124, 390592, 436544, 463828, 537064, 600248, 927656, 1074128, 1200496, 1275527, 1855312, 2148256, 2400992, 2551054, 3710624, 4296512, 4801984, 5102108, 7421248, 10204216, 20408432, 40816864, 81633728]

約数ペア:

[(1, 81633728), (2, 40816864), (4, 20408432), (8, 10204216), (11, 7421248), (16, 5102108), (17, 4801984), (19, 4296512), (22, 3710624), (32, 2551054), (34, 2400992), (38, 2148256), (44, 1855312), (64, 1275527), (68, 1200496), (76, 1074128), (88, 927656), (136, 600248), (152, 537064), (176, 463828), (187, 436544), (209, 390592), (272, 300124), (304, 268532), (323, 252736), (352, 231914), (359, 227392), (374, 218272), (418, 195296), (544, 150062), (608, 134266), (646, 126368), (704, 115957), (718, 113696), (748, 109136), (836, 97648), (1088, 75031), (1216, 67133), (1292, 63184), (1436, 56848), (1496, 54568), (1672, 48824), (2584, 31592), (2872, 28424), (2992, 27284), (3344, 24412), (3553, 22976), (3949, 20672), (5168, 15796), (5744, 14212), (5984, 13642), (6103, 13376), (6688, 12206), (6821, 11968), (7106, 11488), (7898, 10336)]