30987632

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{7841}}^1$

素因数の和:7881

約数の個数: 40

約数和(自身を含む): 68068560

約数和(自身を除く): 37080928

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 38, 52, 76, 104, 152, 208, 247, 304, 494, 988, 1976, 3952, 7841, 15682, 31364, 62728, 101933, 125456, 148979, 203866, 297958, 407732, 595916, 815464, 1191832, 1630928, 1936727, 2383664, 3873454, 7746908, 15493816, 30987632]

約数ペア:

[(1, 30987632), (2, 15493816), (4, 7746908), (8, 3873454), (13, 2383664), (16, 1936727), (19, 1630928), (26, 1191832), (38, 815464), (52, 595916), (76, 407732), (104, 297958), (152, 203866), (208, 148979), (247, 125456), (304, 101933), (494, 62728), (988, 31364), (1976, 15682), (3952, 7841)]