263245190

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{197}}^1\times {\mathrm{541}}^1$

素因数の和:777

約数の個数: 64

約数和(自身を含む): 540872640

約数和(自身を除く): 277627450

約数列:

[1, 2, 5, 10, 13, 19, 26, 38, 65, 95, 130, 190, 197, 247, 394, 494, 541, 985, 1082, 1235, 1970, 2470, 2561, 2705, 3743, 5122, 5410, 7033, 7486, 10279, 12805, 14066, 18715, 20558, 25610, 35165, 37430, 48659, 51395, 70330, 97318, 102790, 106577, 133627, 213154, 243295, 267254, 486590, 532885, 668135, 1065770, 1336270, 1385501, 2024963, 2771002, 4049926, 6927505, 10124815, 13855010, 20249630, 26324519, 52649038, 131622595, 263245190]

約数ペア:

[(1, 263245190), (2, 131622595), (5, 52649038), (10, 26324519), (13, 20249630), (19, 13855010), (26, 10124815), (38, 6927505), (65, 4049926), (95, 2771002), (130, 2024963), (190, 1385501), (197, 1336270), (247, 1065770), (394, 668135), (494, 532885), (541, 486590), (985, 267254), (1082, 243295), (1235, 213154), (1970, 133627), (2470, 106577), (2561, 102790), (2705, 97318), (3743, 70330), (5122, 51395), (5410, 48659), (7033, 37430), (7486, 35165), (10279, 25610), (12805, 20558), (14066, 18715)]