198971752

素因数分解:

$2^3\times 7^2\times {\mathrm{53}}^1\times {\mathrm{61}}^1\times {\mathrm{157}}^1$

素因数の和:291

約数の個数: 96

約数和(自身を含む): 452281320

約数和(自身を除く): 253309568

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 53, 56, 61, 98, 106, 122, 157, 196, 212, 244, 314, 371, 392, 424, 427, 488, 628, 742, 854, 1099, 1256, 1484, 1708, 2198, 2597, 2968, 2989, 3233, 3416, 4396, 5194, 5978, 6466, 7693, 8321, 8792, 9577, 10388, 11956, 12932, 15386, 16642, 19154, 20776, 22631, 23912, 25864, 30772, 33284, 38308, 45262, 58247, 61544, 66568, 67039, 76616, 90524, 116494, 134078, 158417, 181048, 232988, 268156, 316834, 407729, 465976, 469273, 507581, 536312, 633668, 815458, 938546, 1015162, 1267336, 1630916, 1877092, 2030324, 3261832, 3553067, 3754184, 4060648, 7106134, 14212268, 24871469, 28424536, 49742938, 99485876, 198971752]

約数ペア:

[(1, 198971752), (2, 99485876), (4, 49742938), (7, 28424536), (8, 24871469), (14, 14212268), (28, 7106134), (49, 4060648), (53, 3754184), (56, 3553067), (61, 3261832), (98, 2030324), (106, 1877092), (122, 1630916), (157, 1267336), (196, 1015162), (212, 938546), (244, 815458), (314, 633668), (371, 536312), (392, 507581), (424, 469273), (427, 465976), (488, 407729), (628, 316834), (742, 268156), (854, 232988), (1099, 181048), (1256, 158417), (1484, 134078), (1708, 116494), (2198, 90524), (2597, 76616), (2968, 67039), (2989, 66568), (3233, 61544), (3416, 58247), (4396, 45262), (5194, 38308), (5978, 33284), (6466, 30772), (7693, 25864), (8321, 23912), (8792, 22631), (9577, 20776), (10388, 19154), (11956, 16642), (12932, 15386)]