2159612

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{349}}^1$

素因数の和:390

約数の個数: 48

約数和(自身を含む): 4939200

約数和(自身を除く): 2779588

約数列:

[1, 2, 4, 7, 13, 14, 17, 26, 28, 34, 52, 68, 91, 119, 182, 221, 238, 349, 364, 442, 476, 698, 884, 1396, 1547, 2443, 3094, 4537, 4886, 5933, 6188, 9074, 9772, 11866, 18148, 23732, 31759, 41531, 63518, 77129, 83062, 127036, 154258, 166124, 308516, 539903, 1079806, 2159612]

約数ペア:

[(1, 2159612), (2, 1079806), (4, 539903), (7, 308516), (13, 166124), (14, 154258), (17, 127036), (26, 83062), (28, 77129), (34, 63518), (52, 41531), (68, 31759), (91, 23732), (119, 18148), (182, 11866), (221, 9772), (238, 9074), (349, 6188), (364, 5933), (442, 4886), (476, 4537), (698, 3094), (884, 2443), (1396, 1547)]