1661816

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^2$

素因数の和:96

約数の個数: 48

約数和(自身を含む): 3658200

約数和(自身を除く): 1996384

約数列:

[1, 2, 4, 8, 13, 19, 26, 29, 38, 52, 58, 76, 104, 116, 152, 232, 247, 377, 494, 551, 754, 841, 988, 1102, 1508, 1682, 1976, 2204, 3016, 3364, 4408, 6728, 7163, 10933, 14326, 15979, 21866, 28652, 31958, 43732, 57304, 63916, 87464, 127832, 207727, 415454, 830908, 1661816]

約数ペア:

[(1, 1661816), (2, 830908), (4, 415454), (8, 207727), (13, 127832), (19, 87464), (26, 63916), (29, 57304), (38, 43732), (52, 31958), (58, 28652), (76, 21866), (104, 15979), (116, 14326), (152, 10933), (232, 7163), (247, 6728), (377, 4408), (494, 3364), (551, 3016), (754, 2204), (841, 1976), (988, 1682), (1102, 1508)]