215399346

素因数分解:

$2^1\times 3^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{107}}^1\times {\mathrm{137}}^1$

素因数の和:359

約数の個数: 64

約数和(自身を含む): 457850880

約数和(自身を除く): 242451534

約数列:

[1, 2, 3, 6, 31, 62, 79, 93, 107, 137, 158, 186, 214, 237, 274, 321, 411, 474, 642, 822, 2449, 3317, 4247, 4898, 6634, 7347, 8453, 8494, 9951, 10823, 12741, 14659, 14694, 16906, 19902, 21646, 25359, 25482, 29318, 32469, 43977, 50718, 64938, 87954, 262043, 335513, 454429, 524086, 671026, 786129, 908858, 1006539, 1158061, 1363287, 1572258, 2013078, 2316122, 2726574, 3474183, 6948366, 35899891, 71799782, 107699673, 215399346]

約数ペア:

[(1, 215399346), (2, 107699673), (3, 71799782), (6, 35899891), (31, 6948366), (62, 3474183), (79, 2726574), (93, 2316122), (107, 2013078), (137, 1572258), (158, 1363287), (186, 1158061), (214, 1006539), (237, 908858), (274, 786129), (321, 671026), (411, 524086), (474, 454429), (642, 335513), (822, 262043), (2449, 87954), (3317, 64938), (4247, 50718), (4898, 43977), (6634, 32469), (7347, 29318), (8453, 25482), (8494, 25359), (9951, 21646), (10823, 19902), (12741, 16906), (14659, 14694)]