31831956

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{4001}}^1$

素因数の和:4041

約数の個数: 72

約数和(自身を含む): 91773864

約数和(自身を除く): 59941908

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 17, 18, 26, 34, 36, 39, 51, 52, 68, 78, 102, 117, 153, 156, 204, 221, 234, 306, 442, 468, 612, 663, 884, 1326, 1989, 2652, 3978, 4001, 7956, 8002, 12003, 16004, 24006, 36009, 48012, 52013, 68017, 72018, 104026, 136034, 144036, 156039, 204051, 208052, 272068, 312078, 408102, 468117, 612153, 624156, 816204, 884221, 936234, 1224306, 1768442, 1872468, 2448612, 2652663, 3536884, 5305326, 7957989, 10610652, 15915978, 31831956]

約数ペア:

[(1, 31831956), (2, 15915978), (3, 10610652), (4, 7957989), (6, 5305326), (9, 3536884), (12, 2652663), (13, 2448612), (17, 1872468), (18, 1768442), (26, 1224306), (34, 936234), (36, 884221), (39, 816204), (51, 624156), (52, 612153), (68, 468117), (78, 408102), (102, 312078), (117, 272068), (153, 208052), (156, 204051), (204, 156039), (221, 144036), (234, 136034), (306, 104026), (442, 72018), (468, 68017), (612, 52013), (663, 48012), (884, 36009), (1326, 24006), (1989, 16004), (2652, 12003), (3978, 8002), (4001, 7956)]