25281108

素因数分解:

$2^2\times 3^2\times {\mathrm{17}}^1\times {\mathrm{101}}^1\times {\mathrm{409}}^1$

素因数の和:537

約数の個数: 72

約数和(自身を含む): 68501160

約数和(自身を除く): 43220052

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 34, 36, 51, 68, 101, 102, 153, 202, 204, 303, 306, 404, 409, 606, 612, 818, 909, 1212, 1227, 1636, 1717, 1818, 2454, 3434, 3636, 3681, 4908, 5151, 6868, 6953, 7362, 10302, 13906, 14724, 15453, 20604, 20859, 27812, 30906, 41309, 41718, 61812, 62577, 82618, 83436, 123927, 125154, 165236, 247854, 250308, 371781, 495708, 702253, 743562, 1404506, 1487124, 2106759, 2809012, 4213518, 6320277, 8427036, 12640554, 25281108]

約数ペア:

[(1, 25281108), (2, 12640554), (3, 8427036), (4, 6320277), (6, 4213518), (9, 2809012), (12, 2106759), (17, 1487124), (18, 1404506), (34, 743562), (36, 702253), (51, 495708), (68, 371781), (101, 250308), (102, 247854), (153, 165236), (202, 125154), (204, 123927), (303, 83436), (306, 82618), (404, 62577), (409, 61812), (606, 41718), (612, 41309), (818, 30906), (909, 27812), (1212, 20859), (1227, 20604), (1636, 15453), (1717, 14724), (1818, 13906), (2454, 10302), (3434, 7362), (3636, 6953), (3681, 6868), (4908, 5151)]