61985296

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{89}}^1$

素因数の和:224

約数の個数: 80

約数和(自身を含む): 133920000

約数和(自身を除く): 71934704

約数列:

[1, 2, 4, 8, 16, 19, 29, 38, 58, 76, 79, 89, 116, 152, 158, 178, 232, 304, 316, 356, 464, 551, 632, 712, 1102, 1264, 1424, 1501, 1691, 2204, 2291, 2581, 3002, 3382, 4408, 4582, 5162, 6004, 6764, 7031, 8816, 9164, 10324, 12008, 13528, 14062, 18328, 20648, 24016, 27056, 28124, 36656, 41296, 43529, 49039, 56248, 87058, 98078, 112496, 133589, 174116, 196156, 203899, 267178, 348232, 392312, 407798, 534356, 696464, 784624, 815596, 1068712, 1631192, 2137424, 3262384, 3874081, 7748162, 15496324, 30992648, 61985296]

約数ペア:

[(1, 61985296), (2, 30992648), (4, 15496324), (8, 7748162), (16, 3874081), (19, 3262384), (29, 2137424), (38, 1631192), (58, 1068712), (76, 815596), (79, 784624), (89, 696464), (116, 534356), (152, 407798), (158, 392312), (178, 348232), (232, 267178), (304, 203899), (316, 196156), (356, 174116), (464, 133589), (551, 112496), (632, 98078), (712, 87058), (1102, 56248), (1264, 49039), (1424, 43529), (1501, 41296), (1691, 36656), (2204, 28124), (2291, 27056), (2581, 24016), (3002, 20648), (3382, 18328), (4408, 14062), (4582, 13528), (5162, 12008), (6004, 10324), (6764, 9164), (7031, 8816)]