28751294

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{37}}^1$

素因数の和:106

約数の個数: 72

約数和(自身を含む): 55492920

約数和(自身を除く): 26741626

約数列:

[1, 2, 11, 13, 19, 22, 26, 37, 38, 74, 121, 143, 169, 209, 242, 247, 286, 338, 407, 418, 481, 494, 703, 814, 962, 1406, 1573, 1859, 2299, 2717, 3146, 3211, 3718, 4477, 4598, 5291, 5434, 6253, 6422, 7733, 8954, 9139, 10582, 12506, 15466, 18278, 20449, 29887, 35321, 40898, 58201, 59774, 68783, 70642, 85063, 100529, 116402, 118807, 137566, 170126, 201058, 237614, 388531, 756613, 777062, 1105819, 1306877, 1513226, 2211638, 2613754, 14375647, 28751294]

約数ペア:

[(1, 28751294), (2, 14375647), (11, 2613754), (13, 2211638), (19, 1513226), (22, 1306877), (26, 1105819), (37, 777062), (38, 756613), (74, 388531), (121, 237614), (143, 201058), (169, 170126), (209, 137566), (242, 118807), (247, 116402), (286, 100529), (338, 85063), (407, 70642), (418, 68783), (481, 59774), (494, 58201), (703, 40898), (814, 35321), (962, 29887), (1406, 20449), (1573, 18278), (1859, 15466), (2299, 12506), (2717, 10582), (3146, 9139), (3211, 8954), (3718, 7733), (4477, 6422), (4598, 6253), (5291, 5434)]