31101228

素因数分解:

$2^2\times 3^2\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{571}}^1$

素因数の和:687

約数の個数: 72

約数和(自身を含む): 84324240

約数和(自身を除く): 53223012

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 34, 36, 51, 68, 89, 102, 153, 178, 204, 267, 306, 356, 534, 571, 612, 801, 1068, 1142, 1513, 1602, 1713, 2284, 3026, 3204, 3426, 4539, 5139, 6052, 6852, 9078, 9707, 10278, 13617, 18156, 19414, 20556, 27234, 29121, 38828, 50819, 54468, 58242, 87363, 101638, 116484, 152457, 174726, 203276, 304914, 349452, 457371, 609828, 863923, 914742, 1727846, 1829484, 2591769, 3455692, 5183538, 7775307, 10367076, 15550614, 31101228]

約数ペア:

[(1, 31101228), (2, 15550614), (3, 10367076), (4, 7775307), (6, 5183538), (9, 3455692), (12, 2591769), (17, 1829484), (18, 1727846), (34, 914742), (36, 863923), (51, 609828), (68, 457371), (89, 349452), (102, 304914), (153, 203276), (178, 174726), (204, 152457), (267, 116484), (306, 101638), (356, 87363), (534, 58242), (571, 54468), (612, 50819), (801, 38828), (1068, 29121), (1142, 27234), (1513, 20556), (1602, 19414), (1713, 18156), (2284, 13617), (3026, 10278), (3204, 9707), (3426, 9078), (4539, 6852), (5139, 6052)]