198607948

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{31}}^2\times {\mathrm{61}}^1$

素因数の和:156

約数の個数: 108

約数和(自身を含む): 458543568

約数和(自身を除く): 259935620

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 31, 44, 61, 62, 77, 121, 122, 124, 154, 217, 242, 244, 308, 341, 427, 434, 484, 671, 682, 847, 854, 868, 961, 1342, 1364, 1694, 1708, 1891, 1922, 2387, 2684, 3388, 3751, 3782, 3844, 4697, 4774, 6727, 7381, 7502, 7564, 9394, 9548, 10571, 13237, 13454, 14762, 15004, 18788, 20801, 21142, 26257, 26474, 26908, 29524, 41602, 42284, 51667, 52514, 52948, 58621, 73997, 83204, 103334, 105028, 116281, 117242, 145607, 147994, 206668, 228811, 232562, 234484, 291214, 295988, 410347, 457622, 465124, 582428, 644831, 813967, 820694, 915244, 1289662, 1601677, 1627934, 1641388, 2579324, 3203354, 3255868, 4513817, 6406708, 7093141, 9027634, 14186282, 18055268, 28372564, 49651987, 99303974, 198607948]

約数ペア:

[(1, 198607948), (2, 99303974), (4, 49651987), (7, 28372564), (11, 18055268), (14, 14186282), (22, 9027634), (28, 7093141), (31, 6406708), (44, 4513817), (61, 3255868), (62, 3203354), (77, 2579324), (121, 1641388), (122, 1627934), (124, 1601677), (154, 1289662), (217, 915244), (242, 820694), (244, 813967), (308, 644831), (341, 582428), (427, 465124), (434, 457622), (484, 410347), (671, 295988), (682, 291214), (847, 234484), (854, 232562), (868, 228811), (961, 206668), (1342, 147994), (1364, 145607), (1694, 117242), (1708, 116281), (1891, 105028), (1922, 103334), (2387, 83204), (2684, 73997), (3388, 58621), (3751, 52948), (3782, 52514), (3844, 51667), (4697, 42284), (4774, 41602), (6727, 29524), (7381, 26908), (7502, 26474), (7564, 26257), (9394, 21142), (9548, 20801), (10571, 18788), (13237, 15004), (13454, 14762)]