28626654

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{1237}}^1$

素因数の和:1297

約数の個数: 64

約数和(自身を含む): 71308800

約数和(自身を除く): 42682146

約数列:

[1, 2, 3, 6, 7, 14, 19, 21, 29, 38, 42, 57, 58, 87, 114, 133, 174, 203, 266, 399, 406, 551, 609, 798, 1102, 1218, 1237, 1653, 2474, 3306, 3711, 3857, 7422, 7714, 8659, 11571, 17318, 23142, 23503, 25977, 35873, 47006, 51954, 70509, 71746, 107619, 141018, 164521, 215238, 251111, 329042, 493563, 502222, 681587, 753333, 987126, 1363174, 1506666, 2044761, 4089522, 4771109, 9542218, 14313327, 28626654]

約数ペア:

[(1, 28626654), (2, 14313327), (3, 9542218), (6, 4771109), (7, 4089522), (14, 2044761), (19, 1506666), (21, 1363174), (29, 987126), (38, 753333), (42, 681587), (57, 502222), (58, 493563), (87, 329042), (114, 251111), (133, 215238), (174, 164521), (203, 141018), (266, 107619), (399, 71746), (406, 70509), (551, 51954), (609, 47006), (798, 35873), (1102, 25977), (1218, 23503), (1237, 23142), (1653, 17318), (2474, 11571), (3306, 8659), (3711, 7714), (3857, 7422)]