28870452

素因数分解:

$2^2\times 3^3\times {\mathrm{13}}^1\times {\mathrm{20563}}^1$

素因数の和:20589

約数の個数: 48

約数和(自身を含む): 80610880

約数和(自身を除く): 51740428

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 27, 36, 39, 52, 54, 78, 108, 117, 156, 234, 351, 468, 702, 1404, 20563, 41126, 61689, 82252, 123378, 185067, 246756, 267319, 370134, 534638, 555201, 740268, 801957, 1069276, 1110402, 1603914, 2220804, 2405871, 3207828, 4811742, 7217613, 9623484, 14435226, 28870452]

約数ペア:

[(1, 28870452), (2, 14435226), (3, 9623484), (4, 7217613), (6, 4811742), (9, 3207828), (12, 2405871), (13, 2220804), (18, 1603914), (26, 1110402), (27, 1069276), (36, 801957), (39, 740268), (52, 555201), (54, 534638), (78, 370134), (108, 267319), (117, 246756), (156, 185067), (234, 123378), (351, 82252), (468, 61689), (702, 41126), (1404, 20563)]