198457128

素因数分解:

$2^3\times 3^8\times {\mathrm{19}}^1\times {\mathrm{199}}^1$

素因数の和:248

約数の個数: 144

約数和(自身を含む): 590460000

約数和(自身を除く): 392002872

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 19, 24, 27, 36, 38, 54, 57, 72, 76, 81, 108, 114, 152, 162, 171, 199, 216, 228, 243, 324, 342, 398, 456, 486, 513, 597, 648, 684, 729, 796, 972, 1026, 1194, 1368, 1458, 1539, 1592, 1791, 1944, 2052, 2187, 2388, 2916, 3078, 3582, 3781, 4104, 4374, 4617, 4776, 5373, 5832, 6156, 6561, 7164, 7562, 8748, 9234, 10746, 11343, 12312, 13122, 13851, 14328, 15124, 16119, 17496, 18468, 21492, 22686, 26244, 27702, 30248, 32238, 34029, 36936, 41553, 42984, 45372, 48357, 52488, 55404, 64476, 68058, 83106, 90744, 96714, 102087, 110808, 124659, 128952, 136116, 145071, 166212, 193428, 204174, 249318, 272232, 290142, 306261, 332424, 386856, 408348, 435213, 498636, 580284, 612522, 816696, 870426, 918783, 997272, 1160568, 1225044, 1305639, 1740852, 1837566, 2450088, 2611278, 2756349, 3481704, 3675132, 5222556, 5512698, 7350264, 8269047, 10445112, 11025396, 16538094, 22050792, 24807141, 33076188, 49614282, 66152376, 99228564, 198457128]

約数ペア:

[(1, 198457128), (2, 99228564), (3, 66152376), (4, 49614282), (6, 33076188), (8, 24807141), (9, 22050792), (12, 16538094), (18, 11025396), (19, 10445112), (24, 8269047), (27, 7350264), (36, 5512698), (38, 5222556), (54, 3675132), (57, 3481704), (72, 2756349), (76, 2611278), (81, 2450088), (108, 1837566), (114, 1740852), (152, 1305639), (162, 1225044), (171, 1160568), (199, 997272), (216, 918783), (228, 870426), (243, 816696), (324, 612522), (342, 580284), (398, 498636), (456, 435213), (486, 408348), (513, 386856), (597, 332424), (648, 306261), (684, 290142), (729, 272232), (796, 249318), (972, 204174), (1026, 193428), (1194, 166212), (1368, 145071), (1458, 136116), (1539, 128952), (1592, 124659), (1791, 110808), (1944, 102087), (2052, 96714), (2187, 90744), (2388, 83106), (2916, 68058), (3078, 64476), (3582, 55404), (3781, 52488), (4104, 48357), (4374, 45372), (4617, 42984), (4776, 41553), (5373, 36936), (5832, 34029), (6156, 32238), (6561, 30248), (7164, 27702), (7562, 26244), (8748, 22686), (9234, 21492), (10746, 18468), (11343, 17496), (12312, 16119), (13122, 15124), (13851, 14328)]