28475148

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{739}}^1$

素因数の和:791

約数の個数: 72

約数和(自身を含む): 75835200

約数和(自身を除く): 47360052

約数列:

[1, 2, 3, 4, 6, 12, 13, 19, 26, 38, 39, 52, 57, 76, 78, 114, 156, 169, 228, 247, 338, 494, 507, 676, 739, 741, 988, 1014, 1478, 1482, 2028, 2217, 2956, 2964, 3211, 4434, 6422, 8868, 9607, 9633, 12844, 14041, 19214, 19266, 28082, 28821, 38428, 38532, 42123, 56164, 57642, 84246, 115284, 124891, 168492, 182533, 249782, 365066, 374673, 499564, 547599, 730132, 749346, 1095198, 1498692, 2190396, 2372929, 4745858, 7118787, 9491716, 14237574, 28475148]

約数ペア:

[(1, 28475148), (2, 14237574), (3, 9491716), (4, 7118787), (6, 4745858), (12, 2372929), (13, 2190396), (19, 1498692), (26, 1095198), (38, 749346), (39, 730132), (52, 547599), (57, 499564), (76, 374673), (78, 365066), (114, 249782), (156, 182533), (169, 168492), (228, 124891), (247, 115284), (338, 84246), (494, 57642), (507, 56164), (676, 42123), (739, 38532), (741, 38428), (988, 28821), (1014, 28082), (1478, 19266), (1482, 19214), (2028, 14041), (2217, 12844), (2956, 9633), (2964, 9607), (3211, 8868), (4434, 6422)]