402409424

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{619}}^1\times {\mathrm{991}}^1$

素因数の和:1659

約数の個数: 40

約数和(自身を含む): 800782080

約数和(自身を除く): 398372656

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 619, 656, 991, 1238, 1982, 2476, 3964, 4952, 7928, 9904, 15856, 25379, 40631, 50758, 81262, 101516, 162524, 203032, 325048, 406064, 613429, 650096, 1226858, 2453716, 4907432, 9814864, 25150589, 50301178, 100602356, 201204712, 402409424]

約数ペア:

[(1, 402409424), (2, 201204712), (4, 100602356), (8, 50301178), (16, 25150589), (41, 9814864), (82, 4907432), (164, 2453716), (328, 1226858), (619, 650096), (656, 613429), (991, 406064), (1238, 325048), (1982, 203032), (2476, 162524), (3964, 101516), (4952, 81262), (7928, 50758), (9904, 40631), (15856, 25379)]