8638448

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{349}}^1$

素因数の和:394

約数の個数: 80

約数和(自身を含む): 21873600

約数和(自身を除く): 13235152

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 17, 26, 28, 34, 52, 56, 68, 91, 104, 112, 119, 136, 182, 208, 221, 238, 272, 349, 364, 442, 476, 698, 728, 884, 952, 1396, 1456, 1547, 1768, 1904, 2443, 2792, 3094, 3536, 4537, 4886, 5584, 5933, 6188, 9074, 9772, 11866, 12376, 18148, 19544, 23732, 24752, 31759, 36296, 39088, 41531, 47464, 63518, 72592, 77129, 83062, 94928, 127036, 154258, 166124, 254072, 308516, 332248, 508144, 539903, 617032, 664496, 1079806, 1234064, 2159612, 4319224, 8638448]

約数ペア:

[(1, 8638448), (2, 4319224), (4, 2159612), (7, 1234064), (8, 1079806), (13, 664496), (14, 617032), (16, 539903), (17, 508144), (26, 332248), (28, 308516), (34, 254072), (52, 166124), (56, 154258), (68, 127036), (91, 94928), (104, 83062), (112, 77129), (119, 72592), (136, 63518), (182, 47464), (208, 41531), (221, 39088), (238, 36296), (272, 31759), (349, 24752), (364, 23732), (442, 19544), (476, 18148), (698, 12376), (728, 11866), (884, 9772), (952, 9074), (1396, 6188), (1456, 5933), (1547, 5584), (1768, 4886), (1904, 4537), (2443, 3536), (2792, 3094)]