491157056

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{137}}^1\times {\mathrm{139}}^1$

素因数の和:332

約数の個数: 112

約数和(自身を含む): 1099230720

約数和(自身を除く): 608073664

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 32, 52, 62, 64, 104, 124, 137, 139, 208, 248, 274, 278, 403, 416, 496, 548, 556, 806, 832, 992, 1096, 1112, 1612, 1781, 1807, 1984, 2192, 2224, 3224, 3562, 3614, 4247, 4309, 4384, 4448, 6448, 7124, 7228, 8494, 8618, 8768, 8896, 12896, 14248, 14456, 16988, 17236, 19043, 25792, 28496, 28912, 33976, 34472, 38086, 55211, 56017, 56992, 57824, 67952, 68944, 76172, 110422, 112034, 113984, 115648, 135904, 137888, 152344, 220844, 224068, 247559, 271808, 275776, 304688, 441688, 448136, 495118, 590333, 609376, 883376, 896272, 990236, 1180666, 1218752, 1766752, 1792544, 1980472, 2361332, 3533504, 3585088, 3960944, 4722664, 7674329, 7921888, 9445328, 15348658, 15843776, 18890656, 30697316, 37781312, 61394632, 122789264, 245578528, 491157056]

約数ペア:

[(1, 491157056), (2, 245578528), (4, 122789264), (8, 61394632), (13, 37781312), (16, 30697316), (26, 18890656), (31, 15843776), (32, 15348658), (52, 9445328), (62, 7921888), (64, 7674329), (104, 4722664), (124, 3960944), (137, 3585088), (139, 3533504), (208, 2361332), (248, 1980472), (274, 1792544), (278, 1766752), (403, 1218752), (416, 1180666), (496, 990236), (548, 896272), (556, 883376), (806, 609376), (832, 590333), (992, 495118), (1096, 448136), (1112, 441688), (1612, 304688), (1781, 275776), (1807, 271808), (1984, 247559), (2192, 224068), (2224, 220844), (3224, 152344), (3562, 137888), (3614, 135904), (4247, 115648), (4309, 113984), (4384, 112034), (4448, 110422), (6448, 76172), (7124, 68944), (7228, 67952), (8494, 57824), (8618, 56992), (8768, 56017), (8896, 55211), (12896, 38086), (14248, 34472), (14456, 33976), (16988, 28912), (17236, 28496), (19043, 25792)]