28891587172

素因数分解:

$2^2\times 7^2\times {\mathrm{23}}^1\times {\mathrm{167}}^1\times {\mathrm{38377}}^1$

素因数の和:38585

約数の個数: 72

約数和(自身を含む): 61741298304

約数和(自身を除く): 32849711132

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 49, 92, 98, 161, 167, 196, 322, 334, 644, 668, 1127, 1169, 2254, 2338, 3841, 4508, 4676, 7682, 8183, 15364, 16366, 26887, 32732, 38377, 53774, 76754, 107548, 153508, 188209, 268639, 376418, 537278, 752836, 882671, 1074556, 1765342, 1880473, 3530684, 3760946, 6178697, 6408959, 7521892, 12357394, 12817918, 24714788, 25635836, 43250879, 44862713, 86501758, 89725426, 147406057, 173003516, 179450852, 294812114, 314038991, 589624228, 628077982, 1031842399, 1256155964, 2063684798, 4127369596, 7222896793, 14445793586, 28891587172]

約数ペア:

[(1, 28891587172), (2, 14445793586), (4, 7222896793), (7, 4127369596), (14, 2063684798), (23, 1256155964), (28, 1031842399), (46, 628077982), (49, 589624228), (92, 314038991), (98, 294812114), (161, 179450852), (167, 173003516), (196, 147406057), (322, 89725426), (334, 86501758), (644, 44862713), (668, 43250879), (1127, 25635836), (1169, 24714788), (2254, 12817918), (2338, 12357394), (3841, 7521892), (4508, 6408959), (4676, 6178697), (7682, 3760946), (8183, 3530684), (15364, 1880473), (16366, 1765342), (26887, 1074556), (32732, 882671), (38377, 752836), (53774, 537278), (76754, 376418), (107548, 268639), (153508, 188209)]