28077270

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71993}}^1$

素因数の和:72016

約数の個数: 32

約数和(自身を含む): 72569952

約数和(自身を除く): 44492682

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 71993, 143986, 215979, 359965, 431958, 719930, 935909, 1079895, 1871818, 2159790, 2807727, 4679545, 5615454, 9359090, 14038635, 28077270]

約数ペア:

[(1, 28077270), (2, 14038635), (3, 9359090), (5, 5615454), (6, 4679545), (10, 2807727), (13, 2159790), (15, 1871818), (26, 1079895), (30, 935909), (39, 719930), (65, 431958), (78, 359965), (130, 215979), (195, 143986), (390, 71993)]