987101752

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{191}}^1\times {\mathrm{229}}^1$

素因数の和:477

約数の個数: 128

約数和(自身を含む): 2374041600

約数和(自身を除く): 1386939848

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 31, 52, 56, 62, 91, 104, 124, 182, 191, 217, 229, 248, 364, 382, 403, 434, 458, 728, 764, 806, 868, 916, 1337, 1528, 1603, 1612, 1736, 1832, 2483, 2674, 2821, 2977, 3206, 3224, 4966, 5348, 5642, 5921, 5954, 6412, 7099, 9932, 10696, 11284, 11842, 11908, 12824, 14198, 17381, 19864, 20839, 22568, 23684, 23816, 28396, 34762, 41447, 41678, 43739, 47368, 49693, 56792, 69524, 76973, 82894, 83356, 87478, 92287, 99386, 139048, 153946, 165788, 166712, 174956, 184574, 198772, 306173, 307892, 331576, 349912, 369148, 397544, 538811, 568607, 612346, 615784, 646009, 738296, 1077622, 1137214, 1224692, 1292018, 1355909, 2155244, 2274428, 2449384, 2584036, 2711818, 3980249, 4310488, 4548856, 5168072, 5423636, 7960498, 9491363, 10847272, 15920996, 17626817, 18982726, 31841992, 35253634, 37965452, 70507268, 75930904, 123387719, 141014536, 246775438, 493550876, 987101752]

約数ペア:

[(1, 987101752), (2, 493550876), (4, 246775438), (7, 141014536), (8, 123387719), (13, 75930904), (14, 70507268), (26, 37965452), (28, 35253634), (31, 31841992), (52, 18982726), (56, 17626817), (62, 15920996), (91, 10847272), (104, 9491363), (124, 7960498), (182, 5423636), (191, 5168072), (217, 4548856), (229, 4310488), (248, 3980249), (364, 2711818), (382, 2584036), (403, 2449384), (434, 2274428), (458, 2155244), (728, 1355909), (764, 1292018), (806, 1224692), (868, 1137214), (916, 1077622), (1337, 738296), (1528, 646009), (1603, 615784), (1612, 612346), (1736, 568607), (1832, 538811), (2483, 397544), (2674, 369148), (2821, 349912), (2977, 331576), (3206, 307892), (3224, 306173), (4966, 198772), (5348, 184574), (5642, 174956), (5921, 166712), (5954, 165788), (6412, 153946), (7099, 139048), (9932, 99386), (10696, 92287), (11284, 87478), (11842, 83356), (11908, 82894), (12824, 76973), (14198, 69524), (17381, 56792), (19864, 49693), (20839, 47368), (22568, 43739), (23684, 41678), (23816, 41447), (28396, 34762)]