15521204

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{199}}^1$

素因数の和:288

約数の個数: 48

約数和(自身を含む): 30643200

約数和(自身を除く): 15121996

約数列:

[1, 2, 4, 17, 31, 34, 37, 62, 68, 74, 124, 148, 199, 398, 527, 629, 796, 1054, 1147, 1258, 2108, 2294, 2516, 3383, 4588, 6169, 6766, 7363, 12338, 13532, 14726, 19499, 24676, 29452, 38998, 77996, 104873, 125171, 209746, 228253, 250342, 419492, 456506, 500684, 913012, 3880301, 7760602, 15521204]

約数ペア:

[(1, 15521204), (2, 7760602), (4, 3880301), (17, 913012), (31, 500684), (34, 456506), (37, 419492), (62, 250342), (68, 228253), (74, 209746), (124, 125171), (148, 104873), (199, 77996), (398, 38998), (527, 29452), (629, 24676), (796, 19499), (1054, 14726), (1147, 13532), (1258, 12338), (2108, 7363), (2294, 6766), (2516, 6169), (3383, 4588)]