40172251

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{139}}^1$

素因数の和:259

約数の個数: 32

約数和(自身を含む): 50803200

約数和(自身を除く): 10630949

約数列:

[1, 7, 19, 41, 53, 133, 139, 287, 371, 779, 973, 1007, 2173, 2641, 5453, 5699, 7049, 7367, 15211, 18487, 39893, 41287, 51569, 108281, 139973, 289009, 302047, 757967, 979811, 2114329, 5738893, 40172251]

約数ペア:

[(1, 40172251), (7, 5738893), (19, 2114329), (41, 979811), (53, 757967), (133, 302047), (139, 289009), (287, 139973), (371, 108281), (779, 51569), (973, 41287), (1007, 39893), (2173, 18487), (2641, 15211), (5453, 7367), (5699, 7049)]