42131968

素因数分解:

$2^9\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1$

素因数の和:169

約数の個数: 80

約数和(自身を含む): 91333440

約数和(自身を除く): 49201472

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 61, 64, 71, 76, 122, 128, 142, 152, 244, 256, 284, 304, 488, 512, 568, 608, 976, 1136, 1159, 1216, 1349, 1952, 2272, 2318, 2432, 2698, 3904, 4331, 4544, 4636, 4864, 5396, 7808, 8662, 9088, 9272, 9728, 10792, 15616, 17324, 18176, 18544, 21584, 31232, 34648, 36352, 37088, 43168, 69296, 74176, 82289, 86336, 138592, 148352, 164578, 172672, 277184, 296704, 329156, 345344, 554368, 593408, 658312, 690688, 1108736, 1316624, 2217472, 2633248, 5266496, 10532992, 21065984, 42131968]

約数ペア:

[(1, 42131968), (2, 21065984), (4, 10532992), (8, 5266496), (16, 2633248), (19, 2217472), (32, 1316624), (38, 1108736), (61, 690688), (64, 658312), (71, 593408), (76, 554368), (122, 345344), (128, 329156), (142, 296704), (152, 277184), (244, 172672), (256, 164578), (284, 148352), (304, 138592), (488, 86336), (512, 82289), (568, 74176), (608, 69296), (976, 43168), (1136, 37088), (1159, 36352), (1216, 34648), (1349, 31232), (1952, 21584), (2272, 18544), (2318, 18176), (2432, 17324), (2698, 15616), (3904, 10792), (4331, 9728), (4544, 9272), (4636, 9088), (4864, 8662), (5396, 7808)]