278374048

素因数分解:

$2^5\times {\mathrm{17}}^2\times {\mathrm{31}}^1\times {\mathrm{971}}^1$

素因数の和:1046

約数の個数: 72

約数和(自身を含む): 601582464

約数和(自身を除く): 323208416

約数列:

[1, 2, 4, 8, 16, 17, 31, 32, 34, 62, 68, 124, 136, 248, 272, 289, 496, 527, 544, 578, 971, 992, 1054, 1156, 1942, 2108, 2312, 3884, 4216, 4624, 7768, 8432, 8959, 9248, 15536, 16507, 16864, 17918, 30101, 31072, 33014, 35836, 60202, 66028, 71672, 120404, 132056, 143344, 240808, 264112, 280619, 286688, 481616, 511717, 528224, 561238, 963232, 1023434, 1122476, 2046868, 2244952, 4093736, 4489904, 8187472, 8699189, 8979808, 16374944, 17398378, 34796756, 69593512, 139187024, 278374048]

約数ペア:

[(1, 278374048), (2, 139187024), (4, 69593512), (8, 34796756), (16, 17398378), (17, 16374944), (31, 8979808), (32, 8699189), (34, 8187472), (62, 4489904), (68, 4093736), (124, 2244952), (136, 2046868), (248, 1122476), (272, 1023434), (289, 963232), (496, 561238), (527, 528224), (544, 511717), (578, 481616), (971, 286688), (992, 280619), (1054, 264112), (1156, 240808), (1942, 143344), (2108, 132056), (2312, 120404), (3884, 71672), (4216, 66028), (4624, 60202), (7768, 35836), (8432, 33014), (8959, 31072), (9248, 30101), (15536, 17918), (16507, 16864)]