1645267988

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{233}}^1\times {\mathrm{1021}}^1$

素因数の和:1297

約数の個数: 96

約数和(自身を含む): 3749840640

約数和(自身を除く): 2104572652

約数列:

[1, 2, 4, 7, 13, 14, 19, 26, 28, 38, 52, 76, 91, 133, 182, 233, 247, 266, 364, 466, 494, 532, 932, 988, 1021, 1631, 1729, 2042, 3029, 3262, 3458, 4084, 4427, 6058, 6524, 6916, 7147, 8854, 12116, 13273, 14294, 17708, 19399, 21203, 26546, 28588, 30989, 38798, 42406, 53092, 57551, 61978, 77596, 84812, 92911, 115102, 123956, 135793, 185822, 230204, 237893, 252187, 271586, 371644, 402857, 475786, 504374, 543172, 805714, 951572, 1008748, 1611428, 1665251, 1765309, 3092609, 3330502, 3530618, 4519967, 6185218, 6661004, 7061236, 9039934, 12370436, 18079868, 21648263, 31639769, 43296526, 58759571, 63279538, 86593052, 117519142, 126559076, 235038284, 411316997, 822633994, 1645267988]

約数ペア:

[(1, 1645267988), (2, 822633994), (4, 411316997), (7, 235038284), (13, 126559076), (14, 117519142), (19, 86593052), (26, 63279538), (28, 58759571), (38, 43296526), (52, 31639769), (76, 21648263), (91, 18079868), (133, 12370436), (182, 9039934), (233, 7061236), (247, 6661004), (266, 6185218), (364, 4519967), (466, 3530618), (494, 3330502), (532, 3092609), (932, 1765309), (988, 1665251), (1021, 1611428), (1631, 1008748), (1729, 951572), (2042, 805714), (3029, 543172), (3262, 504374), (3458, 475786), (4084, 402857), (4427, 371644), (6058, 271586), (6524, 252187), (6916, 237893), (7147, 230204), (8854, 185822), (12116, 135793), (13273, 123956), (14294, 115102), (17708, 92911), (19399, 84812), (21203, 77596), (26546, 61978), (28588, 57551), (30989, 53092), (38798, 42406)]