78457428

素因数分解:

$2^2\times 3^2\times 7^2\times {\mathrm{79}}^1\times {\mathrm{563}}^1$

素因数の和:666

約数の個数: 108

約数和(自身を含む): 234037440

約数和(自身を除く): 155580012

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 49, 63, 79, 84, 98, 126, 147, 158, 196, 237, 252, 294, 316, 441, 474, 553, 563, 588, 711, 882, 948, 1106, 1126, 1422, 1659, 1689, 1764, 2212, 2252, 2844, 3318, 3378, 3871, 3941, 4977, 5067, 6636, 6756, 7742, 7882, 9954, 10134, 11613, 11823, 15484, 15764, 19908, 20268, 23226, 23646, 27587, 34839, 35469, 44477, 46452, 47292, 55174, 69678, 70938, 82761, 88954, 110348, 133431, 139356, 141876, 165522, 177908, 248283, 266862, 311339, 331044, 400293, 496566, 533724, 622678, 800586, 934017, 993132, 1245356, 1601172, 1868034, 2179373, 2802051, 3736068, 4358746, 5604102, 6538119, 8717492, 11208204, 13076238, 19614357, 26152476, 39228714, 78457428]

約数ペア:

[(1, 78457428), (2, 39228714), (3, 26152476), (4, 19614357), (6, 13076238), (7, 11208204), (9, 8717492), (12, 6538119), (14, 5604102), (18, 4358746), (21, 3736068), (28, 2802051), (36, 2179373), (42, 1868034), (49, 1601172), (63, 1245356), (79, 993132), (84, 934017), (98, 800586), (126, 622678), (147, 533724), (158, 496566), (196, 400293), (237, 331044), (252, 311339), (294, 266862), (316, 248283), (441, 177908), (474, 165522), (553, 141876), (563, 139356), (588, 133431), (711, 110348), (882, 88954), (948, 82761), (1106, 70938), (1126, 69678), (1422, 55174), (1659, 47292), (1689, 46452), (1764, 44477), (2212, 35469), (2252, 34839), (2844, 27587), (3318, 23646), (3378, 23226), (3871, 20268), (3941, 19908), (4977, 15764), (5067, 15484), (6636, 11823), (6756, 11613), (7742, 10134), (7882, 9954)]