128228436

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{199}}^1\times {\mathrm{2557}}^1$

素因数の和:2773

約数の個数: 72

約数和(自身を含む): 372444800

約数和(自身を除く): 244216364

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 199, 252, 398, 597, 796, 1194, 1393, 1791, 2388, 2557, 2786, 3582, 4179, 5114, 5572, 7164, 7671, 8358, 10228, 12537, 15342, 16716, 17899, 23013, 25074, 30684, 35798, 46026, 50148, 53697, 71596, 92052, 107394, 161091, 214788, 322182, 508843, 644364, 1017686, 1526529, 2035372, 3053058, 3561901, 4579587, 6106116, 7123802, 9159174, 10685703, 14247604, 18318348, 21371406, 32057109, 42742812, 64114218, 128228436]

約数ペア:

[(1, 128228436), (2, 64114218), (3, 42742812), (4, 32057109), (6, 21371406), (7, 18318348), (9, 14247604), (12, 10685703), (14, 9159174), (18, 7123802), (21, 6106116), (28, 4579587), (36, 3561901), (42, 3053058), (63, 2035372), (84, 1526529), (126, 1017686), (199, 644364), (252, 508843), (398, 322182), (597, 214788), (796, 161091), (1194, 107394), (1393, 92052), (1791, 71596), (2388, 53697), (2557, 50148), (2786, 46026), (3582, 35798), (4179, 30684), (5114, 25074), (5572, 23013), (7164, 17899), (7671, 16716), (8358, 15342), (10228, 12537)]