1978195108

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1\times {\mathrm{83}}^1\times {\mathrm{97}}^1$

素因数の和:317

約数の個数: 96

約数和(自身を含む): 3858503040

約数和(自身を除く): 1880307932

約数列:

[1, 2, 4, 19, 38, 53, 61, 76, 83, 97, 106, 122, 166, 194, 212, 244, 332, 388, 1007, 1159, 1577, 1843, 2014, 2318, 3154, 3233, 3686, 4028, 4399, 4636, 5063, 5141, 5917, 6308, 6466, 7372, 8051, 8798, 10126, 10282, 11834, 12932, 16102, 17596, 20252, 20564, 23668, 32204, 61427, 83581, 96197, 97679, 112423, 122854, 152969, 167162, 192394, 195358, 224846, 245708, 268339, 305938, 313601, 334324, 384788, 390716, 426703, 449692, 491111, 536678, 611876, 627202, 853406, 982222, 1073356, 1254404, 1706812, 1964444, 5098441, 5958419, 8107357, 9331109, 10196882, 11916838, 16214714, 18662218, 20393764, 23833676, 26028883, 32429428, 37324436, 52057766, 104115532, 494548777, 989097554, 1978195108]

約数ペア:

[(1, 1978195108), (2, 989097554), (4, 494548777), (19, 104115532), (38, 52057766), (53, 37324436), (61, 32429428), (76, 26028883), (83, 23833676), (97, 20393764), (106, 18662218), (122, 16214714), (166, 11916838), (194, 10196882), (212, 9331109), (244, 8107357), (332, 5958419), (388, 5098441), (1007, 1964444), (1159, 1706812), (1577, 1254404), (1843, 1073356), (2014, 982222), (2318, 853406), (3154, 627202), (3233, 611876), (3686, 536678), (4028, 491111), (4399, 449692), (4636, 426703), (5063, 390716), (5141, 384788), (5917, 334324), (6308, 313601), (6466, 305938), (7372, 268339), (8051, 245708), (8798, 224846), (10126, 195358), (10282, 192394), (11834, 167162), (12932, 152969), (16102, 122854), (17596, 112423), (20252, 97679), (20564, 96197), (23668, 83581), (32204, 61427)]