278311644

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{401}}^1\times {\mathrm{1483}}^1$

素因数の和:1907

約数の個数: 72

約数和(自身を含む): 760027632

約数和(自身を除く): 481715988

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 234, 401, 468, 802, 1203, 1483, 1604, 2406, 2966, 3609, 4449, 4812, 5213, 5932, 7218, 8898, 10426, 13347, 14436, 15639, 17796, 19279, 20852, 26694, 31278, 38558, 46917, 53388, 57837, 62556, 77116, 93834, 115674, 173511, 187668, 231348, 347022, 594683, 694044, 1189366, 1784049, 2378732, 3568098, 5352147, 7136196, 7730879, 10704294, 15461758, 21408588, 23192637, 30923516, 46385274, 69577911, 92770548, 139155822, 278311644]

約数ペア:

[(1, 278311644), (2, 139155822), (3, 92770548), (4, 69577911), (6, 46385274), (9, 30923516), (12, 23192637), (13, 21408588), (18, 15461758), (26, 10704294), (36, 7730879), (39, 7136196), (52, 5352147), (78, 3568098), (117, 2378732), (156, 1784049), (234, 1189366), (401, 694044), (468, 594683), (802, 347022), (1203, 231348), (1483, 187668), (1604, 173511), (2406, 115674), (2966, 93834), (3609, 77116), (4449, 62556), (4812, 57837), (5213, 53388), (5932, 46917), (7218, 38558), (8898, 31278), (10426, 26694), (13347, 20852), (14436, 19279), (15639, 17796)]