291133648

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{163}}^1\times {\mathrm{277}}^1$

素因数の和:492

約数の個数: 80

約数和(自身を含む): 633181696

約数和(自身を除く): 342048048

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 52, 62, 104, 124, 163, 208, 248, 277, 326, 403, 496, 554, 652, 806, 1108, 1304, 1612, 2119, 2216, 2608, 3224, 3601, 4238, 4432, 5053, 6448, 7202, 8476, 8587, 10106, 14404, 16952, 17174, 20212, 28808, 33904, 34348, 40424, 45151, 57616, 65689, 68696, 80848, 90302, 111631, 131378, 137392, 180604, 223262, 262756, 361208, 446524, 525512, 586963, 722416, 893048, 1051024, 1173926, 1399681, 1786096, 2347852, 2799362, 4695704, 5598724, 9391408, 11197448, 18195853, 22394896, 36391706, 72783412, 145566824, 291133648]

約数ペア:

[(1, 291133648), (2, 145566824), (4, 72783412), (8, 36391706), (13, 22394896), (16, 18195853), (26, 11197448), (31, 9391408), (52, 5598724), (62, 4695704), (104, 2799362), (124, 2347852), (163, 1786096), (208, 1399681), (248, 1173926), (277, 1051024), (326, 893048), (403, 722416), (496, 586963), (554, 525512), (652, 446524), (806, 361208), (1108, 262756), (1304, 223262), (1612, 180604), (2119, 137392), (2216, 131378), (2608, 111631), (3224, 90302), (3601, 80848), (4238, 68696), (4432, 65689), (5053, 57616), (6448, 45151), (7202, 40424), (8476, 34348), (8587, 33904), (10106, 28808), (14404, 20212), (16952, 17174)]