247958778

素因数分解:

$2^1\times 3^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{181}}^1\times {\mathrm{197}}^1$

素因数の和:463

約数の個数: 64

約数和(自身を含む): 536215680

約数和(自身を除く): 288256902

約数列:

[1, 2, 3, 6, 19, 38, 57, 61, 114, 122, 181, 183, 197, 362, 366, 394, 543, 591, 1086, 1159, 1182, 2318, 3439, 3477, 3743, 6878, 6954, 7486, 10317, 11041, 11229, 12017, 20634, 22082, 22458, 24034, 33123, 35657, 36051, 66246, 71314, 72102, 106971, 209779, 213942, 228323, 419558, 456646, 629337, 677483, 684969, 1258674, 1354966, 1369938, 2032449, 2175077, 4064898, 4350154, 6525231, 13050462, 41326463, 82652926, 123979389, 247958778]

約数ペア:

[(1, 247958778), (2, 123979389), (3, 82652926), (6, 41326463), (19, 13050462), (38, 6525231), (57, 4350154), (61, 4064898), (114, 2175077), (122, 2032449), (181, 1369938), (183, 1354966), (197, 1258674), (362, 684969), (366, 677483), (394, 629337), (543, 456646), (591, 419558), (1086, 228323), (1159, 213942), (1182, 209779), (2318, 106971), (3439, 72102), (3477, 71314), (3743, 66246), (6878, 36051), (6954, 35657), (7486, 33123), (10317, 24034), (11041, 22458), (11229, 22082), (12017, 20634)]