128548196

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{137}}^1$

素因数の和:249

約数の個数: 96

約数和(自身を含む): 284884992

約数和(自身を除く): 156336796

約数列:

[1, 2, 4, 7, 14, 23, 28, 31, 46, 47, 62, 92, 94, 124, 137, 161, 188, 217, 274, 322, 329, 434, 548, 644, 658, 713, 868, 959, 1081, 1316, 1426, 1457, 1918, 2162, 2852, 2914, 3151, 3836, 4247, 4324, 4991, 5828, 6302, 6439, 7567, 8494, 9982, 10199, 12604, 12878, 15134, 16988, 19964, 20398, 22057, 25756, 29729, 30268, 33511, 40796, 44114, 45073, 59458, 67022, 88228, 90146, 97681, 118916, 134044, 148097, 180292, 195362, 199609, 234577, 296194, 390724, 399218, 469154, 592388, 683767, 798436, 938308, 1036679, 1367534, 1397263, 2073358, 2735068, 2794526, 4146716, 4591007, 5589052, 9182014, 18364028, 32137049, 64274098, 128548196]

約数ペア:

[(1, 128548196), (2, 64274098), (4, 32137049), (7, 18364028), (14, 9182014), (23, 5589052), (28, 4591007), (31, 4146716), (46, 2794526), (47, 2735068), (62, 2073358), (92, 1397263), (94, 1367534), (124, 1036679), (137, 938308), (161, 798436), (188, 683767), (217, 592388), (274, 469154), (322, 399218), (329, 390724), (434, 296194), (548, 234577), (644, 199609), (658, 195362), (713, 180292), (868, 148097), (959, 134044), (1081, 118916), (1316, 97681), (1426, 90146), (1457, 88228), (1918, 67022), (2162, 59458), (2852, 45073), (2914, 44114), (3151, 40796), (3836, 33511), (4247, 30268), (4324, 29729), (4991, 25756), (5828, 22057), (6302, 20398), (6439, 19964), (7567, 16988), (8494, 15134), (9982, 12878), (10199, 12604)]