31317888

素因数分解:

$2^7\times 3^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{191}}^1$

素因数の和:276

約数の個数: 128

約数和(自身を含む): 97136640

約数和(自身を除く): 65818752

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 56, 61, 64, 84, 96, 112, 122, 128, 168, 183, 191, 192, 224, 244, 336, 366, 382, 384, 427, 448, 488, 573, 672, 732, 764, 854, 896, 976, 1146, 1281, 1337, 1344, 1464, 1528, 1708, 1952, 2292, 2562, 2674, 2688, 2928, 3056, 3416, 3904, 4011, 4584, 5124, 5348, 5856, 6112, 6832, 7808, 8022, 9168, 10248, 10696, 11651, 11712, 12224, 13664, 16044, 18336, 20496, 21392, 23302, 23424, 24448, 27328, 32088, 34953, 36672, 40992, 42784, 46604, 54656, 64176, 69906, 73344, 81557, 81984, 85568, 93208, 128352, 139812, 163114, 163968, 171136, 186416, 244671, 256704, 279624, 326228, 372832, 489342, 513408, 559248, 652456, 745664, 978684, 1118496, 1304912, 1491328, 1957368, 2236992, 2609824, 3914736, 4473984, 5219648, 7829472, 10439296, 15658944, 31317888]

約数ペア:

[(1, 31317888), (2, 15658944), (3, 10439296), (4, 7829472), (6, 5219648), (7, 4473984), (8, 3914736), (12, 2609824), (14, 2236992), (16, 1957368), (21, 1491328), (24, 1304912), (28, 1118496), (32, 978684), (42, 745664), (48, 652456), (56, 559248), (61, 513408), (64, 489342), (84, 372832), (96, 326228), (112, 279624), (122, 256704), (128, 244671), (168, 186416), (183, 171136), (191, 163968), (192, 163114), (224, 139812), (244, 128352), (336, 93208), (366, 85568), (382, 81984), (384, 81557), (427, 73344), (448, 69906), (488, 64176), (573, 54656), (672, 46604), (732, 42784), (764, 40992), (854, 36672), (896, 34953), (976, 32088), (1146, 27328), (1281, 24448), (1337, 23424), (1344, 23302), (1464, 21392), (1528, 20496), (1708, 18336), (1952, 16044), (2292, 13664), (2562, 12224), (2674, 11712), (2688, 11651), (2928, 10696), (3056, 10248), (3416, 9168), (3904, 8022), (4011, 7808), (4584, 6832), (5124, 6112), (5348, 5856)]