201918128

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{7681}}^1$

素因数の和:7773

約数の個数: 40

約数和(自身を含む): 411509376

約数和(自身を除く): 209591248

約数列:

[1, 2, 4, 8, 16, 31, 53, 62, 106, 124, 212, 248, 424, 496, 848, 1643, 3286, 6572, 7681, 13144, 15362, 26288, 30724, 61448, 122896, 238111, 407093, 476222, 814186, 952444, 1628372, 1904888, 3256744, 3809776, 6513488, 12619883, 25239766, 50479532, 100959064, 201918128]

約数ペア:

[(1, 201918128), (2, 100959064), (4, 50479532), (8, 25239766), (16, 12619883), (31, 6513488), (53, 3809776), (62, 3256744), (106, 1904888), (124, 1628372), (212, 952444), (248, 814186), (424, 476222), (496, 407093), (848, 238111), (1643, 122896), (3286, 61448), (6572, 30724), (7681, 26288), (13144, 15362)]