61997988

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{1609}}^1$

素因数の和:1661

約数の個数: 72

約数和(自身を含む): 164992800

約数和(自身を除く): 102994812

約数列:

[1, 2, 3, 4, 6, 12, 13, 19, 26, 38, 39, 52, 57, 76, 78, 114, 156, 169, 228, 247, 338, 494, 507, 676, 741, 988, 1014, 1482, 1609, 2028, 2964, 3211, 3218, 4827, 6422, 6436, 9633, 9654, 12844, 19266, 19308, 20917, 30571, 38532, 41834, 61142, 62751, 83668, 91713, 122284, 125502, 183426, 251004, 271921, 366852, 397423, 543842, 794846, 815763, 1087684, 1192269, 1589692, 1631526, 2384538, 3263052, 4769076, 5166499, 10332998, 15499497, 20665996, 30998994, 61997988]

約数ペア:

[(1, 61997988), (2, 30998994), (3, 20665996), (4, 15499497), (6, 10332998), (12, 5166499), (13, 4769076), (19, 3263052), (26, 2384538), (38, 1631526), (39, 1589692), (52, 1192269), (57, 1087684), (76, 815763), (78, 794846), (114, 543842), (156, 397423), (169, 366852), (228, 271921), (247, 251004), (338, 183426), (494, 125502), (507, 122284), (676, 91713), (741, 83668), (988, 62751), (1014, 61142), (1482, 41834), (1609, 38532), (2028, 30571), (2964, 20917), (3211, 19308), (3218, 19266), (4827, 12844), (6422, 9654), (6436, 9633)]