28463270

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{491}}^1$

素因数の和:557

約数の個数: 64

約数和(自身を含む): 61212672

約数和(自身を除く): 32749402

約数列:

[1, 2, 5, 10, 11, 17, 22, 31, 34, 55, 62, 85, 110, 155, 170, 187, 310, 341, 374, 491, 527, 682, 935, 982, 1054, 1705, 1870, 2455, 2635, 3410, 4910, 5270, 5401, 5797, 8347, 10802, 11594, 15221, 16694, 27005, 28985, 30442, 41735, 54010, 57970, 76105, 83470, 91817, 152210, 167431, 183634, 258757, 334862, 459085, 517514, 837155, 918170, 1293785, 1674310, 2587570, 2846327, 5692654, 14231635, 28463270]

約数ペア:

[(1, 28463270), (2, 14231635), (5, 5692654), (10, 2846327), (11, 2587570), (17, 1674310), (22, 1293785), (31, 918170), (34, 837155), (55, 517514), (62, 459085), (85, 334862), (110, 258757), (155, 183634), (170, 167431), (187, 152210), (310, 91817), (341, 83470), (374, 76105), (491, 57970), (527, 54010), (682, 41735), (935, 30442), (982, 28985), (1054, 27005), (1705, 16694), (1870, 15221), (2455, 11594), (2635, 10802), (3410, 8347), (4910, 5797), (5270, 5401)]