31508992

素因数分解:

$2^9\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{79}}^1$

素因数の和:157

約数の個数: 80

約数和(自身を含む): 68745600

約数和(自身を除く): 37236608

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 41, 64, 76, 79, 82, 128, 152, 158, 164, 256, 304, 316, 328, 512, 608, 632, 656, 779, 1216, 1264, 1312, 1501, 1558, 2432, 2528, 2624, 3002, 3116, 3239, 4864, 5056, 5248, 6004, 6232, 6478, 9728, 10112, 10496, 12008, 12464, 12956, 20224, 20992, 24016, 24928, 25912, 40448, 48032, 49856, 51824, 61541, 96064, 99712, 103648, 123082, 192128, 199424, 207296, 246164, 384256, 398848, 414592, 492328, 768512, 829184, 984656, 1658368, 1969312, 3938624, 7877248, 15754496, 31508992]

約数ペア:

[(1, 31508992), (2, 15754496), (4, 7877248), (8, 3938624), (16, 1969312), (19, 1658368), (32, 984656), (38, 829184), (41, 768512), (64, 492328), (76, 414592), (79, 398848), (82, 384256), (128, 246164), (152, 207296), (158, 199424), (164, 192128), (256, 123082), (304, 103648), (316, 99712), (328, 96064), (512, 61541), (608, 51824), (632, 49856), (656, 48032), (779, 40448), (1216, 25912), (1264, 24928), (1312, 24016), (1501, 20992), (1558, 20224), (2432, 12956), (2528, 12464), (2624, 12008), (3002, 10496), (3116, 10112), (3239, 9728), (4864, 6478), (5056, 6232), (5248, 6004)]