78109988

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{233}}^1\times {\mathrm{401}}^1$

素因数の和:668

約数の個数: 48

約数和(自身を含む): 158034240

約数和(自身を除く): 79924252

約数列:

[1, 2, 4, 11, 19, 22, 38, 44, 76, 209, 233, 401, 418, 466, 802, 836, 932, 1604, 2563, 4411, 4427, 5126, 7619, 8822, 8854, 10252, 15238, 17644, 17708, 30476, 48697, 83809, 93433, 97394, 167618, 186866, 194788, 335236, 373732, 1027763, 1775227, 2055526, 3550454, 4111052, 7100908, 19527497, 39054994, 78109988]

約数ペア:

[(1, 78109988), (2, 39054994), (4, 19527497), (11, 7100908), (19, 4111052), (22, 3550454), (38, 2055526), (44, 1775227), (76, 1027763), (209, 373732), (233, 335236), (401, 194788), (418, 186866), (466, 167618), (802, 97394), (836, 93433), (932, 83809), (1604, 48697), (2563, 30476), (4411, 17708), (4427, 17644), (5126, 15238), (7619, 10252), (8822, 8854)]