28902306

素因数分解:

$2^1\times 3^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{151}}^1$

素因数の和:271

約数の個数: 64

約数和(自身を含む): 64788480

約数和(自身を除く): 35886174

約数列:

[1, 2, 3, 6, 19, 23, 38, 46, 57, 69, 73, 114, 138, 146, 151, 219, 302, 437, 438, 453, 874, 906, 1311, 1387, 1679, 2622, 2774, 2869, 3358, 3473, 4161, 5037, 5738, 6946, 8322, 8607, 10074, 10419, 11023, 17214, 20838, 22046, 31901, 33069, 63802, 65987, 66138, 95703, 131974, 191406, 197961, 209437, 253529, 395922, 418874, 507058, 628311, 760587, 1256622, 1521174, 4817051, 9634102, 14451153, 28902306]

約数ペア:

[(1, 28902306), (2, 14451153), (3, 9634102), (6, 4817051), (19, 1521174), (23, 1256622), (38, 760587), (46, 628311), (57, 507058), (69, 418874), (73, 395922), (114, 253529), (138, 209437), (146, 197961), (151, 191406), (219, 131974), (302, 95703), (437, 66138), (438, 65987), (453, 63802), (874, 33069), (906, 31901), (1311, 22046), (1387, 20838), (1679, 17214), (2622, 11023), (2774, 10419), (2869, 10074), (3358, 8607), (3473, 8322), (4161, 6946), (5037, 5738)]