28491666

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{277}}^1$

素因数の和:399

約数の個数: 64

約数和(自身を含む): 68321280

約数和(自身を除く): 39829614

約数列:

[1, 2, 3, 6, 7, 14, 21, 31, 42, 62, 79, 93, 158, 186, 217, 237, 277, 434, 474, 553, 554, 651, 831, 1106, 1302, 1659, 1662, 1939, 2449, 3318, 3878, 4898, 5817, 7347, 8587, 11634, 14694, 17143, 17174, 21883, 25761, 34286, 43766, 51429, 51522, 60109, 65649, 102858, 120218, 131298, 153181, 180327, 306362, 360654, 459543, 678373, 919086, 1356746, 2035119, 4070238, 4748611, 9497222, 14245833, 28491666]

約数ペア:

[(1, 28491666), (2, 14245833), (3, 9497222), (6, 4748611), (7, 4070238), (14, 2035119), (21, 1356746), (31, 919086), (42, 678373), (62, 459543), (79, 360654), (93, 306362), (158, 180327), (186, 153181), (217, 131298), (237, 120218), (277, 102858), (434, 65649), (474, 60109), (553, 51522), (554, 51429), (651, 43766), (831, 34286), (1106, 25761), (1302, 21883), (1659, 17174), (1662, 17143), (1939, 14694), (2449, 11634), (3318, 8587), (3878, 7347), (4898, 5817)]