13988975

素因数分解:

$5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{43}}^1$

素因数の和:97

約数の個数: 72

約数和(自身を含む): 23962752

約数和(自身を除く): 9973777

約数列:

[1, 5, 7, 11, 13, 25, 35, 43, 55, 65, 77, 91, 143, 169, 175, 215, 275, 301, 325, 385, 455, 473, 559, 715, 845, 1001, 1075, 1183, 1505, 1859, 1925, 2275, 2365, 2795, 3311, 3575, 3913, 4225, 5005, 5915, 6149, 7267, 7525, 9295, 11825, 13013, 13975, 16555, 19565, 25025, 29575, 30745, 36335, 43043, 46475, 50869, 65065, 79937, 82775, 97825, 153725, 181675, 215215, 254345, 325325, 399685, 559559, 1076075, 1271725, 1998425, 2797795, 13988975]

約数ペア:

[(1, 13988975), (5, 2797795), (7, 1998425), (11, 1271725), (13, 1076075), (25, 559559), (35, 399685), (43, 325325), (55, 254345), (65, 215215), (77, 181675), (91, 153725), (143, 97825), (169, 82775), (175, 79937), (215, 65065), (275, 50869), (301, 46475), (325, 43043), (385, 36335), (455, 30745), (473, 29575), (559, 25025), (715, 19565), (845, 16555), (1001, 13975), (1075, 13013), (1183, 11825), (1505, 9295), (1859, 7525), (1925, 7267), (2275, 6149), (2365, 5915), (2795, 5005), (3311, 4225), (3575, 3913)]