28955488

素因数分解:

$2^5\times {\mathrm{17}}^2\times {\mathrm{31}}^1\times {\mathrm{101}}^1$

素因数の和:176

約数の個数: 72

約数和(自身を含む): 63129024

約数和(自身を除く): 34173536

約数列:

[1, 2, 4, 8, 16, 17, 31, 32, 34, 62, 68, 101, 124, 136, 202, 248, 272, 289, 404, 496, 527, 544, 578, 808, 992, 1054, 1156, 1616, 1717, 2108, 2312, 3131, 3232, 3434, 4216, 4624, 6262, 6868, 8432, 8959, 9248, 12524, 13736, 16864, 17918, 25048, 27472, 29189, 35836, 50096, 53227, 54944, 58378, 71672, 100192, 106454, 116756, 143344, 212908, 233512, 286688, 425816, 467024, 851632, 904859, 934048, 1703264, 1809718, 3619436, 7238872, 14477744, 28955488]

約数ペア:

[(1, 28955488), (2, 14477744), (4, 7238872), (8, 3619436), (16, 1809718), (17, 1703264), (31, 934048), (32, 904859), (34, 851632), (62, 467024), (68, 425816), (101, 286688), (124, 233512), (136, 212908), (202, 143344), (248, 116756), (272, 106454), (289, 100192), (404, 71672), (496, 58378), (527, 54944), (544, 53227), (578, 50096), (808, 35836), (992, 29189), (1054, 27472), (1156, 25048), (1616, 17918), (1717, 16864), (2108, 13736), (2312, 12524), (3131, 9248), (3232, 8959), (3434, 8432), (4216, 6868), (4624, 6262)]