28578968

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{89}}^2$

素因数の和:236

約数の個数: 48

約数和(自身を含む): 60563160

約数和(自身を除く): 31984192

約数列:

[1, 2, 4, 8, 11, 22, 41, 44, 82, 88, 89, 164, 178, 328, 356, 451, 712, 902, 979, 1804, 1958, 3608, 3649, 3916, 7298, 7832, 7921, 14596, 15842, 29192, 31684, 40139, 63368, 80278, 87131, 160556, 174262, 321112, 324761, 348524, 649522, 697048, 1299044, 2598088, 3572371, 7144742, 14289484, 28578968]

約数ペア:

[(1, 28578968), (2, 14289484), (4, 7144742), (8, 3572371), (11, 2598088), (22, 1299044), (41, 697048), (44, 649522), (82, 348524), (88, 324761), (89, 321112), (164, 174262), (178, 160556), (328, 87131), (356, 80278), (451, 63368), (712, 40139), (902, 31684), (979, 29192), (1804, 15842), (1958, 14596), (3608, 7921), (3649, 7832), (3916, 7298)]