161991036

素因数分解:

$2^2\times 3^3\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{887}}^1$

素因数の和:1008

約数の個数: 96

約数和(自身を含む): 447552000

約数和(自身を除く): 285560964

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 27, 36, 38, 54, 57, 76, 89, 108, 114, 171, 178, 228, 267, 342, 356, 513, 534, 684, 801, 887, 1026, 1068, 1602, 1691, 1774, 2052, 2403, 2661, 3204, 3382, 3548, 4806, 5073, 5322, 6764, 7983, 9612, 10146, 10644, 15219, 15966, 16853, 20292, 23949, 30438, 31932, 33706, 45657, 47898, 50559, 60876, 67412, 78943, 91314, 95796, 101118, 151677, 157886, 182628, 202236, 236829, 303354, 315772, 455031, 473658, 606708, 710487, 910062, 947316, 1420974, 1499917, 1820124, 2131461, 2841948, 2999834, 4262922, 4499751, 5999668, 8525844, 8999502, 13499253, 17999004, 26998506, 40497759, 53997012, 80995518, 161991036]

約数ペア:

[(1, 161991036), (2, 80995518), (3, 53997012), (4, 40497759), (6, 26998506), (9, 17999004), (12, 13499253), (18, 8999502), (19, 8525844), (27, 5999668), (36, 4499751), (38, 4262922), (54, 2999834), (57, 2841948), (76, 2131461), (89, 1820124), (108, 1499917), (114, 1420974), (171, 947316), (178, 910062), (228, 710487), (267, 606708), (342, 473658), (356, 455031), (513, 315772), (534, 303354), (684, 236829), (801, 202236), (887, 182628), (1026, 157886), (1068, 151677), (1602, 101118), (1691, 95796), (1774, 91314), (2052, 78943), (2403, 67412), (2661, 60876), (3204, 50559), (3382, 47898), (3548, 45657), (4806, 33706), (5073, 31932), (5322, 30438), (6764, 23949), (7983, 20292), (9612, 16853), (10146, 15966), (10644, 15219)]