72955228

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{67}}^2\times {\mathrm{239}}^1$

素因数の和:394

約数の個数: 36

約数和(自身を含む): 137803680

約数和(自身を除く): 64848452

約数列:

[1, 2, 4, 17, 34, 67, 68, 134, 239, 268, 478, 956, 1139, 2278, 4063, 4489, 4556, 8126, 8978, 16013, 16252, 17956, 32026, 64052, 76313, 152626, 272221, 305252, 544442, 1072871, 1088884, 2145742, 4291484, 18238807, 36477614, 72955228]

約数ペア:

[(1, 72955228), (2, 36477614), (4, 18238807), (17, 4291484), (34, 2145742), (67, 1088884), (68, 1072871), (134, 544442), (239, 305252), (268, 272221), (478, 152626), (956, 76313), (1139, 64052), (2278, 32026), (4063, 17956), (4489, 16252), (4556, 16013), (8126, 8978)]