28679170

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{683}}^1$

素因数の和:739

約数の個数: 64

約数和(自身を含む): 62052480

約数和(自身を除く): 33373310

約数列:

[1, 2, 5, 10, 13, 17, 19, 26, 34, 38, 65, 85, 95, 130, 170, 190, 221, 247, 323, 442, 494, 646, 683, 1105, 1235, 1366, 1615, 2210, 2470, 3230, 3415, 4199, 6830, 8398, 8879, 11611, 12977, 17758, 20995, 23222, 25954, 41990, 44395, 58055, 64885, 88790, 116110, 129770, 150943, 168701, 220609, 301886, 337402, 441218, 754715, 843505, 1103045, 1509430, 1687010, 2206090, 2867917, 5735834, 14339585, 28679170]

約数ペア:

[(1, 28679170), (2, 14339585), (5, 5735834), (10, 2867917), (13, 2206090), (17, 1687010), (19, 1509430), (26, 1103045), (34, 843505), (38, 754715), (65, 441218), (85, 337402), (95, 301886), (130, 220609), (170, 168701), (190, 150943), (221, 129770), (247, 116110), (323, 88790), (442, 64885), (494, 58055), (646, 44395), (683, 41990), (1105, 25954), (1235, 23222), (1366, 20995), (1615, 17758), (2210, 12977), (2470, 11611), (3230, 8879), (3415, 8398), (4199, 6830)]