28157796

素因数分解:

$2^2\times 3^2\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{1097}}^1$

素因数の和:1161

約数の個数: 72

約数和(自身を含む): 76737024

約数和(自身を除く): 48579228

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 23, 31, 36, 46, 62, 69, 92, 93, 124, 138, 186, 207, 276, 279, 372, 414, 558, 713, 828, 1097, 1116, 1426, 2139, 2194, 2852, 3291, 4278, 4388, 6417, 6582, 8556, 9873, 12834, 13164, 19746, 25231, 25668, 34007, 39492, 50462, 68014, 75693, 100924, 102021, 136028, 151386, 204042, 227079, 302772, 306063, 408084, 454158, 612126, 782161, 908316, 1224252, 1564322, 2346483, 3128644, 4692966, 7039449, 9385932, 14078898, 28157796]

約数ペア:

[(1, 28157796), (2, 14078898), (3, 9385932), (4, 7039449), (6, 4692966), (9, 3128644), (12, 2346483), (18, 1564322), (23, 1224252), (31, 908316), (36, 782161), (46, 612126), (62, 454158), (69, 408084), (92, 306063), (93, 302772), (124, 227079), (138, 204042), (186, 151386), (207, 136028), (276, 102021), (279, 100924), (372, 75693), (414, 68014), (558, 50462), (713, 39492), (828, 34007), (1097, 25668), (1116, 25231), (1426, 19746), (2139, 13164), (2194, 12834), (2852, 9873), (3291, 8556), (4278, 6582), (4388, 6417)]