278330868

素因数分解:

$2^2\times 3^2\times {\mathrm{17}}^1\times {\mathrm{313}}^1\times {\mathrm{1453}}^1$

素因数の和:1793

約数の個数: 72

約数和(自身を含む): 747838728

約数和(自身を除く): 469507860

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 34, 36, 51, 68, 102, 153, 204, 306, 313, 612, 626, 939, 1252, 1453, 1878, 2817, 2906, 3756, 4359, 5321, 5634, 5812, 8718, 10642, 11268, 13077, 15963, 17436, 21284, 24701, 26154, 31926, 47889, 49402, 52308, 63852, 74103, 95778, 98804, 148206, 191556, 222309, 296412, 444618, 454789, 889236, 909578, 1364367, 1819156, 2728734, 4093101, 5457468, 7731413, 8186202, 15462826, 16372404, 23194239, 30925652, 46388478, 69582717, 92776956, 139165434, 278330868]

約数ペア:

[(1, 278330868), (2, 139165434), (3, 92776956), (4, 69582717), (6, 46388478), (9, 30925652), (12, 23194239), (17, 16372404), (18, 15462826), (34, 8186202), (36, 7731413), (51, 5457468), (68, 4093101), (102, 2728734), (153, 1819156), (204, 1364367), (306, 909578), (313, 889236), (612, 454789), (626, 444618), (939, 296412), (1252, 222309), (1453, 191556), (1878, 148206), (2817, 98804), (2906, 95778), (3756, 74103), (4359, 63852), (5321, 52308), (5634, 49402), (5812, 47889), (8718, 31926), (10642, 26154), (11268, 24701), (13077, 21284), (15963, 17436)]