289898504

素因数分解:

$2^3\times 7^2\times {\mathrm{19}}^1\times {\mathrm{38923}}^1$

素因数の和:38962

約数の個数: 48

約数和(自身を含む): 665600400

約数和(自身を除く): 375701896

約数列:

[1, 2, 4, 7, 8, 14, 19, 28, 38, 49, 56, 76, 98, 133, 152, 196, 266, 392, 532, 931, 1064, 1862, 3724, 7448, 38923, 77846, 155692, 272461, 311384, 544922, 739537, 1089844, 1479074, 1907227, 2179688, 2958148, 3814454, 5176759, 5916296, 7628908, 10353518, 15257816, 20707036, 36237313, 41414072, 72474626, 144949252, 289898504]

約数ペア:

[(1, 289898504), (2, 144949252), (4, 72474626), (7, 41414072), (8, 36237313), (14, 20707036), (19, 15257816), (28, 10353518), (38, 7628908), (49, 5916296), (56, 5176759), (76, 3814454), (98, 2958148), (133, 2179688), (152, 1907227), (196, 1479074), (266, 1089844), (392, 739537), (532, 544922), (931, 311384), (1064, 272461), (1862, 155692), (3724, 77846), (7448, 38923)]