1991517376

素因数分解:

$2^6\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{2297}}^1$

素因数の和:2382

約数の個数: 112

約数和(自身を含む): 4482754560

約数和(自身を除く): 2491237184

約数列:

[1, 2, 4, 8, 16, 19, 23, 31, 32, 38, 46, 62, 64, 76, 92, 124, 152, 184, 248, 304, 368, 437, 496, 589, 608, 713, 736, 874, 992, 1178, 1216, 1426, 1472, 1748, 1984, 2297, 2356, 2852, 3496, 4594, 4712, 5704, 6992, 9188, 9424, 11408, 13547, 13984, 18376, 18848, 22816, 27094, 27968, 36752, 37696, 43643, 45632, 52831, 54188, 71207, 73504, 87286, 105662, 108376, 142414, 147008, 174572, 211324, 216752, 284828, 349144, 422648, 433504, 569656, 698288, 845296, 867008, 1003789, 1139312, 1352933, 1396576, 1637761, 1690592, 2007578, 2278624, 2705866, 2793152, 3275522, 3381184, 4015156, 4557248, 5411732, 6551044, 8030312, 10823464, 13102088, 16060624, 21646928, 26204176, 31117459, 32121248, 43293856, 52408352, 62234918, 64242496, 86587712, 104816704, 124469836, 248939672, 497879344, 995758688, 1991517376]

約数ペア:

[(1, 1991517376), (2, 995758688), (4, 497879344), (8, 248939672), (16, 124469836), (19, 104816704), (23, 86587712), (31, 64242496), (32, 62234918), (38, 52408352), (46, 43293856), (62, 32121248), (64, 31117459), (76, 26204176), (92, 21646928), (124, 16060624), (152, 13102088), (184, 10823464), (248, 8030312), (304, 6551044), (368, 5411732), (437, 4557248), (496, 4015156), (589, 3381184), (608, 3275522), (713, 2793152), (736, 2705866), (874, 2278624), (992, 2007578), (1178, 1690592), (1216, 1637761), (1426, 1396576), (1472, 1352933), (1748, 1139312), (1984, 1003789), (2297, 867008), (2356, 845296), (2852, 698288), (3496, 569656), (4594, 433504), (4712, 422648), (5704, 349144), (6992, 284828), (9188, 216752), (9424, 211324), (11408, 174572), (13547, 147008), (13984, 142414), (18376, 108376), (18848, 105662), (22816, 87286), (27094, 73504), (27968, 71207), (36752, 54188), (37696, 52831), (43643, 45632)]