644961408

素因数分解:

$2^7\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{18457}}^1$

素因数の和:18494

約数の個数: 128

約数和(自身を含む): 2108641920

約数和(自身を除く): 1463680512

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 16, 21, 24, 26, 28, 32, 39, 42, 48, 52, 56, 64, 78, 84, 91, 96, 104, 112, 128, 156, 168, 182, 192, 208, 224, 273, 312, 336, 364, 384, 416, 448, 546, 624, 672, 728, 832, 896, 1092, 1248, 1344, 1456, 1664, 2184, 2496, 2688, 2912, 4368, 4992, 5824, 8736, 11648, 17472, 18457, 34944, 36914, 55371, 73828, 110742, 129199, 147656, 221484, 239941, 258398, 295312, 387597, 442968, 479882, 516796, 590624, 719823, 775194, 885936, 959764, 1033592, 1181248, 1439646, 1550388, 1679587, 1771872, 1919528, 2067184, 2362496, 2879292, 3100776, 3359174, 3543744, 3839056, 4134368, 5038761, 5758584, 6201552, 6718348, 7087488, 7678112, 8268736, 10077522, 11517168, 12403104, 13436696, 15356224, 16537472, 20155044, 23034336, 24806208, 26873392, 30712448, 40310088, 46068672, 49612416, 53746784, 80620176, 92137344, 107493568, 161240352, 214987136, 322480704, 644961408]

約数ペア:

[(1, 644961408), (2, 322480704), (3, 214987136), (4, 161240352), (6, 107493568), (7, 92137344), (8, 80620176), (12, 53746784), (13, 49612416), (14, 46068672), (16, 40310088), (21, 30712448), (24, 26873392), (26, 24806208), (28, 23034336), (32, 20155044), (39, 16537472), (42, 15356224), (48, 13436696), (52, 12403104), (56, 11517168), (64, 10077522), (78, 8268736), (84, 7678112), (91, 7087488), (96, 6718348), (104, 6201552), (112, 5758584), (128, 5038761), (156, 4134368), (168, 3839056), (182, 3543744), (192, 3359174), (208, 3100776), (224, 2879292), (273, 2362496), (312, 2067184), (336, 1919528), (364, 1771872), (384, 1679587), (416, 1550388), (448, 1439646), (546, 1181248), (624, 1033592), (672, 959764), (728, 885936), (832, 775194), (896, 719823), (1092, 590624), (1248, 516796), (1344, 479882), (1456, 442968), (1664, 387597), (2184, 295312), (2496, 258398), (2688, 239941), (2912, 221484), (4368, 147656), (4992, 129199), (5824, 110742), (8736, 73828), (11648, 55371), (17472, 36914), (18457, 34944)]