201917198

素因数分解:

$2^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{263}}^1$

素因数の和:393

約数の個数: 64

約数和(自身を含む): 377118720

約数和(自身を除く): 175201522

約数列:

[1, 2, 7, 14, 29, 31, 58, 61, 62, 122, 203, 217, 263, 406, 427, 434, 526, 854, 899, 1769, 1798, 1841, 1891, 3538, 3682, 3782, 6293, 7627, 8153, 12383, 12586, 13237, 15254, 16043, 16306, 24766, 26474, 32086, 53389, 54839, 57071, 106778, 109678, 112301, 114142, 224602, 236437, 383873, 465247, 472874, 497333, 767746, 930494, 994666, 1655059, 3256729, 3310118, 3481331, 6513458, 6962662, 14422657, 28845314, 100958599, 201917198]

約数ペア:

[(1, 201917198), (2, 100958599), (7, 28845314), (14, 14422657), (29, 6962662), (31, 6513458), (58, 3481331), (61, 3310118), (62, 3256729), (122, 1655059), (203, 994666), (217, 930494), (263, 767746), (406, 497333), (427, 472874), (434, 465247), (526, 383873), (854, 236437), (899, 224602), (1769, 114142), (1798, 112301), (1841, 109678), (1891, 106778), (3538, 57071), (3682, 54839), (3782, 53389), (6293, 32086), (7627, 26474), (8153, 24766), (12383, 16306), (12586, 16043), (13237, 15254)]