28279968171

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{179}}^1\times {\mathrm{383}}^1\times {\mathrm{1511}}^1$

素因数の和:2096

約数の個数: 64

約数和(自身を含む): 46820229120

約数和(自身を除く): 18540260949

約数列:

[1, 3, 7, 13, 21, 39, 91, 179, 273, 383, 537, 1149, 1253, 1511, 2327, 2681, 3759, 4533, 4979, 6981, 8043, 10577, 14937, 16289, 19643, 31731, 34853, 48867, 58929, 68557, 104559, 137501, 205671, 270469, 412503, 479899, 578713, 811407, 891241, 1439697, 1736139, 1893283, 2673723, 3516097, 4050991, 5679849, 6238687, 7523269, 10548291, 12152973, 18716061, 22569807, 24612679, 52662883, 73838037, 103589627, 157988649, 310768881, 725127389, 1346665151, 2175382167, 4039995453, 9426656057, 28279968171]

約数ペア:

[(1, 28279968171), (3, 9426656057), (7, 4039995453), (13, 2175382167), (21, 1346665151), (39, 725127389), (91, 310768881), (179, 157988649), (273, 103589627), (383, 73838037), (537, 52662883), (1149, 24612679), (1253, 22569807), (1511, 18716061), (2327, 12152973), (2681, 10548291), (3759, 7523269), (4533, 6238687), (4979, 5679849), (6981, 4050991), (8043, 3516097), (10577, 2673723), (14937, 1893283), (16289, 1736139), (19643, 1439697), (31731, 891241), (34853, 811407), (48867, 578713), (58929, 479899), (68557, 412503), (104559, 270469), (137501, 205671)]