15689988

素因数分解:

$2^2\times 3^2\times {\mathrm{59}}^1\times {\mathrm{83}}^1\times {\mathrm{89}}^1$

素因数の和:241

約数の個数: 72

約数和(自身を含む): 41277600

約数和(自身を除く): 25587612

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 59, 83, 89, 118, 166, 177, 178, 236, 249, 267, 332, 354, 356, 498, 531, 534, 708, 747, 801, 996, 1062, 1068, 1494, 1602, 2124, 2988, 3204, 4897, 5251, 7387, 9794, 10502, 14691, 14774, 15753, 19588, 21004, 22161, 29382, 29548, 31506, 44073, 44322, 47259, 58764, 63012, 66483, 88146, 88644, 94518, 132966, 176292, 189036, 265932, 435833, 871666, 1307499, 1743332, 2614998, 3922497, 5229996, 7844994, 15689988]

約数ペア:

[(1, 15689988), (2, 7844994), (3, 5229996), (4, 3922497), (6, 2614998), (9, 1743332), (12, 1307499), (18, 871666), (36, 435833), (59, 265932), (83, 189036), (89, 176292), (118, 132966), (166, 94518), (177, 88644), (178, 88146), (236, 66483), (249, 63012), (267, 58764), (332, 47259), (354, 44322), (356, 44073), (498, 31506), (531, 29548), (534, 29382), (708, 22161), (747, 21004), (801, 19588), (996, 15753), (1062, 14774), (1068, 14691), (1494, 10502), (1602, 9794), (2124, 7387), (2988, 5251), (3204, 4897)]