28425618

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{331}}^1\times {\mathrm{367}}^1$

素因数の和:719

約数の個数: 48

約数和(自身を含む): 66708096

約数和(自身を除く): 38282478

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 117, 234, 331, 367, 662, 734, 993, 1101, 1986, 2202, 2979, 3303, 4303, 4771, 5958, 6606, 8606, 9542, 12909, 14313, 25818, 28626, 38727, 42939, 77454, 85878, 121477, 242954, 364431, 728862, 1093293, 1579201, 2186586, 3158402, 4737603, 9475206, 14212809, 28425618]

約数ペア:

[(1, 28425618), (2, 14212809), (3, 9475206), (6, 4737603), (9, 3158402), (13, 2186586), (18, 1579201), (26, 1093293), (39, 728862), (78, 364431), (117, 242954), (234, 121477), (331, 85878), (367, 77454), (662, 42939), (734, 38727), (993, 28626), (1101, 25818), (1986, 14313), (2202, 12909), (2979, 9542), (3303, 8606), (4303, 6606), (4771, 5958)]