28818972

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{463}}^1$

素因数の和:512

約数の個数: 144

約数和(自身を含む): 94581760

約数和(自身を除く): 65762788

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 13, 14, 18, 19, 21, 26, 28, 36, 38, 39, 42, 52, 57, 63, 76, 78, 84, 91, 114, 117, 126, 133, 156, 171, 182, 228, 234, 247, 252, 266, 273, 342, 364, 399, 463, 468, 494, 532, 546, 684, 741, 798, 819, 926, 988, 1092, 1197, 1389, 1482, 1596, 1638, 1729, 1852, 2223, 2394, 2778, 2964, 3241, 3276, 3458, 4167, 4446, 4788, 5187, 5556, 6019, 6482, 6916, 8334, 8797, 8892, 9723, 10374, 12038, 12964, 15561, 16668, 17594, 18057, 19446, 20748, 24076, 26391, 29169, 31122, 35188, 36114, 38892, 42133, 52782, 54171, 58338, 61579, 62244, 72228, 79173, 84266, 105564, 108342, 114361, 116676, 123158, 126399, 158346, 168532, 184737, 216684, 228722, 246316, 252798, 316692, 343083, 369474, 379197, 457444, 505596, 554211, 686166, 738948, 758394, 800527, 1029249, 1108422, 1372332, 1516788, 1601054, 2058498, 2216844, 2401581, 3202108, 4116996, 4803162, 7204743, 9606324, 14409486, 28818972]

約数ペア:

[(1, 28818972), (2, 14409486), (3, 9606324), (4, 7204743), (6, 4803162), (7, 4116996), (9, 3202108), (12, 2401581), (13, 2216844), (14, 2058498), (18, 1601054), (19, 1516788), (21, 1372332), (26, 1108422), (28, 1029249), (36, 800527), (38, 758394), (39, 738948), (42, 686166), (52, 554211), (57, 505596), (63, 457444), (76, 379197), (78, 369474), (84, 343083), (91, 316692), (114, 252798), (117, 246316), (126, 228722), (133, 216684), (156, 184737), (171, 168532), (182, 158346), (228, 126399), (234, 123158), (247, 116676), (252, 114361), (266, 108342), (273, 105564), (342, 84266), (364, 79173), (399, 72228), (463, 62244), (468, 61579), (494, 58338), (532, 54171), (546, 52782), (684, 42133), (741, 38892), (798, 36114), (819, 35188), (926, 31122), (988, 29169), (1092, 26391), (1197, 24076), (1389, 20748), (1482, 19446), (1596, 18057), (1638, 17594), (1729, 16668), (1852, 15561), (2223, 12964), (2394, 12038), (2778, 10374), (2964, 9723), (3241, 8892), (3276, 8797), (3458, 8334), (4167, 6916), (4446, 6482), (4788, 6019), (5187, 5556)]