28308492

素因数分解:

$2^2\times 3^2\times {\mathrm{23}}^1\times {\mathrm{179}}^1\times {\mathrm{191}}^1$

素因数の和:403

約数の個数: 72

約数和(自身を含む): 75479040

約数和(自身を除く): 47170548

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 23, 36, 46, 69, 92, 138, 179, 191, 207, 276, 358, 382, 414, 537, 573, 716, 764, 828, 1074, 1146, 1611, 1719, 2148, 2292, 3222, 3438, 4117, 4393, 6444, 6876, 8234, 8786, 12351, 13179, 16468, 17572, 24702, 26358, 34189, 37053, 39537, 49404, 52716, 68378, 74106, 79074, 102567, 136756, 148212, 158148, 205134, 307701, 410268, 615402, 786347, 1230804, 1572694, 2359041, 3145388, 4718082, 7077123, 9436164, 14154246, 28308492]

約数ペア:

[(1, 28308492), (2, 14154246), (3, 9436164), (4, 7077123), (6, 4718082), (9, 3145388), (12, 2359041), (18, 1572694), (23, 1230804), (36, 786347), (46, 615402), (69, 410268), (92, 307701), (138, 205134), (179, 158148), (191, 148212), (207, 136756), (276, 102567), (358, 79074), (382, 74106), (414, 68378), (537, 52716), (573, 49404), (716, 39537), (764, 37053), (828, 34189), (1074, 26358), (1146, 24702), (1611, 17572), (1719, 16468), (2148, 13179), (2292, 12351), (3222, 8786), (3438, 8234), (4117, 6876), (4393, 6444)]