81107408

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{9619}}^1$

素因数の和:9675

約数の個数: 40

約数和(自身を含む): 171774720

約数和(自身を除く): 90667312

約数列:

[1, 2, 4, 8, 16, 17, 31, 34, 62, 68, 124, 136, 248, 272, 496, 527, 1054, 2108, 4216, 8432, 9619, 19238, 38476, 76952, 153904, 163523, 298189, 327046, 596378, 654092, 1192756, 1308184, 2385512, 2616368, 4771024, 5069213, 10138426, 20276852, 40553704, 81107408]

約数ペア:

[(1, 81107408), (2, 40553704), (4, 20276852), (8, 10138426), (16, 5069213), (17, 4771024), (31, 2616368), (34, 2385512), (62, 1308184), (68, 1192756), (124, 654092), (136, 596378), (248, 327046), (272, 298189), (496, 163523), (527, 153904), (1054, 76952), (2108, 38476), (4216, 19238), (8432, 9619)]