51402390

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{7753}}^1$

素因数の和:7793

約数の個数: 64

約数和(自身を含む): 140688576

約数和(自身を除く): 89286186

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 17, 26, 30, 34, 39, 51, 65, 78, 85, 102, 130, 170, 195, 221, 255, 390, 442, 510, 663, 1105, 1326, 2210, 3315, 6630, 7753, 15506, 23259, 38765, 46518, 77530, 100789, 116295, 131801, 201578, 232590, 263602, 302367, 395403, 503945, 604734, 659005, 790806, 1007890, 1318010, 1511835, 1713413, 1977015, 3023670, 3426826, 3954030, 5140239, 8567065, 10280478, 17134130, 25701195, 51402390]

約数ペア:

[(1, 51402390), (2, 25701195), (3, 17134130), (5, 10280478), (6, 8567065), (10, 5140239), (13, 3954030), (15, 3426826), (17, 3023670), (26, 1977015), (30, 1713413), (34, 1511835), (39, 1318010), (51, 1007890), (65, 790806), (78, 659005), (85, 604734), (102, 503945), (130, 395403), (170, 302367), (195, 263602), (221, 232590), (255, 201578), (390, 131801), (442, 116295), (510, 100789), (663, 77530), (1105, 46518), (1326, 38765), (2210, 23259), (3315, 15506), (6630, 7753)]