189408856

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{4909}}^1$

素因数の和:4988

約数の個数: 64

約数和(自身を含む): 445435200

約数和(自身を除く): 256026344

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 53, 56, 91, 104, 106, 182, 212, 364, 371, 424, 689, 728, 742, 1378, 1484, 2756, 2968, 4823, 4909, 5512, 9646, 9818, 19292, 19636, 34363, 38584, 39272, 63817, 68726, 127634, 137452, 255268, 260177, 274904, 446719, 510536, 520354, 893438, 1040708, 1786876, 1821239, 2081416, 3382301, 3573752, 3642478, 6764602, 7284956, 13529204, 14569912, 23676107, 27058408, 47352214, 94704428, 189408856]

約数ペア:

[(1, 189408856), (2, 94704428), (4, 47352214), (7, 27058408), (8, 23676107), (13, 14569912), (14, 13529204), (26, 7284956), (28, 6764602), (52, 3642478), (53, 3573752), (56, 3382301), (91, 2081416), (104, 1821239), (106, 1786876), (182, 1040708), (212, 893438), (364, 520354), (371, 510536), (424, 446719), (689, 274904), (728, 260177), (742, 255268), (1378, 137452), (1484, 127634), (2756, 68726), (2968, 63817), (4823, 39272), (4909, 38584), (5512, 34363), (9646, 19636), (9818, 19292)]