40942018

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{211}}^1\times {\mathrm{439}}^1$

素因数の和:682

約数の個数: 32

約数和(自身を含む): 70519680

約数和(自身を除く): 29577662

約数列:

[1, 2, 13, 17, 26, 34, 211, 221, 422, 439, 442, 878, 2743, 3587, 5486, 5707, 7174, 7463, 11414, 14926, 46631, 92629, 93262, 97019, 185258, 194038, 1204177, 1574693, 2408354, 3149386, 20471009, 40942018]

約数ペア:

[(1, 40942018), (2, 20471009), (13, 3149386), (17, 2408354), (26, 1574693), (34, 1204177), (211, 194038), (221, 185258), (422, 97019), (439, 93262), (442, 92629), (878, 46631), (2743, 14926), (3587, 11414), (5486, 7463), (5707, 7174)]