426779815

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{197}}^1\times {\mathrm{331}}^1$

素因数の和:568

約数の個数: 64

約数和(自身を含む): 681550848

約数和(自身を除く): 254771033

約数列:

[1, 5, 7, 11, 17, 35, 55, 77, 85, 119, 187, 197, 331, 385, 595, 935, 985, 1309, 1379, 1655, 2167, 2317, 3349, 3641, 5627, 6545, 6895, 10835, 11585, 15169, 16745, 18205, 23443, 25487, 28135, 36839, 39389, 61897, 65207, 75845, 117215, 127435, 184195, 196945, 257873, 309485, 326035, 433279, 456449, 717277, 1108519, 1289365, 2166395, 2282245, 3586385, 5020939, 5542595, 7759633, 12193709, 25104695, 38798165, 60968545, 85355963, 426779815]

約数ペア:

[(1, 426779815), (5, 85355963), (7, 60968545), (11, 38798165), (17, 25104695), (35, 12193709), (55, 7759633), (77, 5542595), (85, 5020939), (119, 3586385), (187, 2282245), (197, 2166395), (331, 1289365), (385, 1108519), (595, 717277), (935, 456449), (985, 433279), (1309, 326035), (1379, 309485), (1655, 257873), (2167, 196945), (2317, 184195), (3349, 127435), (3641, 117215), (5627, 75845), (6545, 65207), (6895, 61897), (10835, 39389), (11585, 36839), (15169, 28135), (16745, 25487), (18205, 23443)]