245331684

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{167}}^1$

素因数の和:306

約数の個数: 144

約数和(自身を含む): 696888192

約数和(自身を除く): 451556508

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 43, 52, 73, 78, 86, 117, 129, 146, 156, 167, 172, 219, 234, 258, 292, 334, 387, 438, 468, 501, 516, 559, 657, 668, 774, 876, 949, 1002, 1118, 1314, 1503, 1548, 1677, 1898, 2004, 2171, 2236, 2628, 2847, 3006, 3139, 3354, 3796, 4342, 5031, 5694, 6012, 6278, 6513, 6708, 7181, 8541, 8684, 9417, 10062, 11388, 12191, 12556, 13026, 14362, 17082, 18834, 19539, 20124, 21543, 24382, 26052, 28251, 28724, 34164, 36573, 37668, 39078, 40807, 43086, 48764, 56502, 64629, 73146, 78156, 81614, 86172, 93353, 109719, 113004, 122421, 129258, 146292, 158483, 163228, 186706, 219438, 244842, 258516, 280059, 316966, 367263, 373412, 438876, 475449, 489684, 524213, 560118, 633932, 734526, 840177, 950898, 1048426, 1120236, 1426347, 1469052, 1572639, 1680354, 1901796, 2096852, 2852694, 3145278, 3360708, 4717917, 5705388, 6290556, 6814769, 9435834, 13629538, 18871668, 20444307, 27259076, 40888614, 61332921, 81777228, 122665842, 245331684]

約数ペア:

[(1, 245331684), (2, 122665842), (3, 81777228), (4, 61332921), (6, 40888614), (9, 27259076), (12, 20444307), (13, 18871668), (18, 13629538), (26, 9435834), (36, 6814769), (39, 6290556), (43, 5705388), (52, 4717917), (73, 3360708), (78, 3145278), (86, 2852694), (117, 2096852), (129, 1901796), (146, 1680354), (156, 1572639), (167, 1469052), (172, 1426347), (219, 1120236), (234, 1048426), (258, 950898), (292, 840177), (334, 734526), (387, 633932), (438, 560118), (468, 524213), (501, 489684), (516, 475449), (559, 438876), (657, 373412), (668, 367263), (774, 316966), (876, 280059), (949, 258516), (1002, 244842), (1118, 219438), (1314, 186706), (1503, 163228), (1548, 158483), (1677, 146292), (1898, 129258), (2004, 122421), (2171, 113004), (2236, 109719), (2628, 93353), (2847, 86172), (3006, 81614), (3139, 78156), (3354, 73146), (3796, 64629), (4342, 56502), (5031, 48764), (5694, 43086), (6012, 40807), (6278, 39078), (6513, 37668), (6708, 36573), (7181, 34164), (8541, 28724), (8684, 28251), (9417, 26052), (10062, 24382), (11388, 21543), (12191, 20124), (12556, 19539), (13026, 18834), (14362, 17082)]