28656870

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{2347}}^1$

素因数の和:2405

約数の個数: 64

約数和(自身を含む): 77089536

約数和(自身を除く): 48432666

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 30, 33, 37, 55, 66, 74, 110, 111, 165, 185, 222, 330, 370, 407, 555, 814, 1110, 1221, 2035, 2347, 2442, 4070, 4694, 6105, 7041, 11735, 12210, 14082, 23470, 25817, 35205, 51634, 70410, 77451, 86839, 129085, 154902, 173678, 258170, 260517, 387255, 434195, 521034, 774510, 868390, 955229, 1302585, 1910458, 2605170, 2865687, 4776145, 5731374, 9552290, 14328435, 28656870]

約数ペア:

[(1, 28656870), (2, 14328435), (3, 9552290), (5, 5731374), (6, 4776145), (10, 2865687), (11, 2605170), (15, 1910458), (22, 1302585), (30, 955229), (33, 868390), (37, 774510), (55, 521034), (66, 434195), (74, 387255), (110, 260517), (111, 258170), (165, 173678), (185, 154902), (222, 129085), (330, 86839), (370, 77451), (407, 70410), (555, 51634), (814, 35205), (1110, 25817), (1221, 23470), (2035, 14082), (2347, 12210), (2442, 11735), (4070, 7041), (4694, 6105)]