404275456

素因数分解:

$2^8\times {\mathrm{13}}^1\times {\mathrm{331}}^1\times {\mathrm{367}}^1$

素因数の和:727

約数の個数: 72

約数和(自身を含む): 874047104

約数和(自身を除く): 469771648

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 208, 256, 331, 367, 416, 662, 734, 832, 1324, 1468, 1664, 2648, 2936, 3328, 4303, 4771, 5296, 5872, 8606, 9542, 10592, 11744, 17212, 19084, 21184, 23488, 34424, 38168, 42368, 46976, 68848, 76336, 84736, 93952, 121477, 137696, 152672, 242954, 275392, 305344, 485908, 550784, 610688, 971816, 1101568, 1221376, 1579201, 1943632, 3158402, 3887264, 6316804, 7774528, 12633608, 15549056, 25267216, 31098112, 50534432, 101068864, 202137728, 404275456]

約数ペア:

[(1, 404275456), (2, 202137728), (4, 101068864), (8, 50534432), (13, 31098112), (16, 25267216), (26, 15549056), (32, 12633608), (52, 7774528), (64, 6316804), (104, 3887264), (128, 3158402), (208, 1943632), (256, 1579201), (331, 1221376), (367, 1101568), (416, 971816), (662, 610688), (734, 550784), (832, 485908), (1324, 305344), (1468, 275392), (1664, 242954), (2648, 152672), (2936, 137696), (3328, 121477), (4303, 93952), (4771, 84736), (5296, 76336), (5872, 68848), (8606, 46976), (9542, 42368), (10592, 38168), (11744, 34424), (17212, 23488), (19084, 21184)]