1256528456

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{109}}^1$

素因数の和:259

約数の個数: 128

約数和(自身を含む): 2676326400

約数和(自身を除く): 1419797944

約数列:

[1, 2, 4, 8, 23, 31, 43, 46, 47, 62, 86, 92, 94, 109, 124, 172, 184, 188, 218, 248, 344, 376, 436, 713, 872, 989, 1081, 1333, 1426, 1457, 1978, 2021, 2162, 2507, 2666, 2852, 2914, 3379, 3956, 4042, 4324, 4687, 5014, 5123, 5332, 5704, 5828, 6758, 7912, 8084, 8648, 9374, 10028, 10246, 10664, 11656, 13516, 16168, 18748, 20056, 20492, 27032, 30659, 33511, 37496, 40984, 46483, 61318, 62651, 67022, 77717, 92966, 107801, 117829, 122636, 125302, 134044, 145297, 155434, 158813, 185932, 215602, 220289, 235658, 245272, 250604, 268088, 290594, 310868, 317626, 371864, 431204, 440578, 471316, 501208, 581188, 621736, 635252, 862408, 881156, 942632, 1162376, 1270504, 1440973, 1762312, 2881946, 3341831, 3652699, 5066647, 5763892, 6683662, 6828959, 7305398, 10133294, 11527784, 13367324, 13657918, 14610796, 20266588, 26734648, 27315836, 29221592, 40533176, 54631672, 157066057, 314132114, 628264228, 1256528456]

約数ペア:

[(1, 1256528456), (2, 628264228), (4, 314132114), (8, 157066057), (23, 54631672), (31, 40533176), (43, 29221592), (46, 27315836), (47, 26734648), (62, 20266588), (86, 14610796), (92, 13657918), (94, 13367324), (109, 11527784), (124, 10133294), (172, 7305398), (184, 6828959), (188, 6683662), (218, 5763892), (248, 5066647), (344, 3652699), (376, 3341831), (436, 2881946), (713, 1762312), (872, 1440973), (989, 1270504), (1081, 1162376), (1333, 942632), (1426, 881156), (1457, 862408), (1978, 635252), (2021, 621736), (2162, 581188), (2507, 501208), (2666, 471316), (2852, 440578), (2914, 431204), (3379, 371864), (3956, 317626), (4042, 310868), (4324, 290594), (4687, 268088), (5014, 250604), (5123, 245272), (5332, 235658), (5704, 220289), (5828, 215602), (6758, 185932), (7912, 158813), (8084, 155434), (8648, 145297), (9374, 134044), (10028, 125302), (10246, 122636), (10664, 117829), (11656, 107801), (13516, 92966), (16168, 77717), (18748, 67022), (20056, 62651), (20492, 61318), (27032, 46483), (30659, 40984), (33511, 37496)]