128349104

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{691}}^1$

素因数の和:778

約数の個数: 80

約数和(自身を含む): 288314880

約数和(自身を除く): 159965776

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 38, 47, 52, 76, 94, 104, 152, 188, 208, 247, 304, 376, 494, 611, 691, 752, 893, 988, 1222, 1382, 1786, 1976, 2444, 2764, 3572, 3952, 4888, 5528, 7144, 8983, 9776, 11056, 11609, 13129, 14288, 17966, 23218, 26258, 32477, 35932, 46436, 52516, 64954, 71864, 92872, 105032, 129908, 143728, 170677, 185744, 210064, 259816, 341354, 422201, 519632, 617063, 682708, 844402, 1234126, 1365416, 1688804, 2468252, 2730832, 3377608, 4936504, 6755216, 8021819, 9873008, 16043638, 32087276, 64174552, 128349104]

約数ペア:

[(1, 128349104), (2, 64174552), (4, 32087276), (8, 16043638), (13, 9873008), (16, 8021819), (19, 6755216), (26, 4936504), (38, 3377608), (47, 2730832), (52, 2468252), (76, 1688804), (94, 1365416), (104, 1234126), (152, 844402), (188, 682708), (208, 617063), (247, 519632), (304, 422201), (376, 341354), (494, 259816), (611, 210064), (691, 185744), (752, 170677), (893, 143728), (988, 129908), (1222, 105032), (1382, 92872), (1786, 71864), (1976, 64954), (2444, 52516), (2764, 46436), (3572, 35932), (3952, 32477), (4888, 26258), (5528, 23218), (7144, 17966), (8983, 14288), (9776, 13129), (11056, 11609)]