261627910

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{1033}}^1$

素因数の和:1133

約数の個数: 64

約数和(自身を含む): 524113920

約数和(自身を除く): 262486010

約数列:

[1, 2, 5, 10, 19, 31, 38, 43, 62, 86, 95, 155, 190, 215, 310, 430, 589, 817, 1033, 1178, 1333, 1634, 2066, 2666, 2945, 4085, 5165, 5890, 6665, 8170, 10330, 13330, 19627, 25327, 32023, 39254, 44419, 50654, 64046, 88838, 98135, 126635, 160115, 196270, 222095, 253270, 320230, 444190, 608437, 843961, 1216874, 1376989, 1687922, 2753978, 3042185, 4219805, 6084370, 6884945, 8439610, 13769890, 26162791, 52325582, 130813955, 261627910]

約数ペア:

[(1, 261627910), (2, 130813955), (5, 52325582), (10, 26162791), (19, 13769890), (31, 8439610), (38, 6884945), (43, 6084370), (62, 4219805), (86, 3042185), (95, 2753978), (155, 1687922), (190, 1376989), (215, 1216874), (310, 843961), (430, 608437), (589, 444190), (817, 320230), (1033, 253270), (1178, 222095), (1333, 196270), (1634, 160115), (2066, 126635), (2666, 98135), (2945, 88838), (4085, 64046), (5165, 50654), (5890, 44419), (6665, 39254), (8170, 32023), (10330, 25327), (13330, 19627)]