978866912

素因数分解:

$2^5\times {\mathrm{31}}^2\times {\mathrm{139}}^1\times {\mathrm{229}}^1$

素因数の和:440

約数の個数: 72

約数和(自身を含む): 2014399800

約数和(自身を除く): 1035532888

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 124, 139, 229, 248, 278, 458, 496, 556, 916, 961, 992, 1112, 1832, 1922, 2224, 3664, 3844, 4309, 4448, 7099, 7328, 7688, 8618, 14198, 15376, 17236, 28396, 30752, 31831, 34472, 56792, 63662, 68944, 113584, 127324, 133579, 137888, 220069, 227168, 254648, 267158, 440138, 509296, 534316, 880276, 986761, 1018592, 1068632, 1760552, 1973522, 2137264, 3521104, 3947044, 4274528, 7042208, 7894088, 15788176, 30589591, 31576352, 61179182, 122358364, 244716728, 489433456, 978866912]

約数ペア:

[(1, 978866912), (2, 489433456), (4, 244716728), (8, 122358364), (16, 61179182), (31, 31576352), (32, 30589591), (62, 15788176), (124, 7894088), (139, 7042208), (229, 4274528), (248, 3947044), (278, 3521104), (458, 2137264), (496, 1973522), (556, 1760552), (916, 1068632), (961, 1018592), (992, 986761), (1112, 880276), (1832, 534316), (1922, 509296), (2224, 440138), (3664, 267158), (3844, 254648), (4309, 227168), (4448, 220069), (7099, 137888), (7328, 133579), (7688, 127324), (8618, 113584), (14198, 68944), (15376, 63662), (17236, 56792), (28396, 34472), (30752, 31831)]