1951709968

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{181}}^1\times {\mathrm{1103}}^1$

素因数の和:1352

約数の個数: 80

約数和(自身を含む): 4185732096

約数和(自身を除く): 2234022128

約数列:

[1, 2, 4, 8, 13, 16, 26, 47, 52, 94, 104, 181, 188, 208, 362, 376, 611, 724, 752, 1103, 1222, 1448, 2206, 2353, 2444, 2896, 4412, 4706, 4888, 8507, 8824, 9412, 9776, 14339, 17014, 17648, 18824, 28678, 34028, 37648, 51841, 57356, 68056, 103682, 110591, 114712, 136112, 199643, 207364, 221182, 229424, 399286, 414728, 442364, 673933, 798572, 829456, 884728, 1347866, 1597144, 1769456, 2595359, 2695732, 3194288, 5190718, 5391464, 9383221, 10381436, 10782928, 18766442, 20762872, 37532884, 41525744, 75065768, 121981873, 150131536, 243963746, 487927492, 975854984, 1951709968]

約数ペア:

[(1, 1951709968), (2, 975854984), (4, 487927492), (8, 243963746), (13, 150131536), (16, 121981873), (26, 75065768), (47, 41525744), (52, 37532884), (94, 20762872), (104, 18766442), (181, 10782928), (188, 10381436), (208, 9383221), (362, 5391464), (376, 5190718), (611, 3194288), (724, 2695732), (752, 2595359), (1103, 1769456), (1222, 1597144), (1448, 1347866), (2206, 884728), (2353, 829456), (2444, 798572), (2896, 673933), (4412, 442364), (4706, 414728), (4888, 399286), (8507, 229424), (8824, 221182), (9412, 207364), (9776, 199643), (14339, 136112), (17014, 114712), (17648, 110591), (18824, 103682), (28678, 68056), (34028, 57356), (37648, 51841)]