1420219814

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{89}}^1\times {\mathrm{457}}^1$

素因数の和:657

約数の個数: 64

約数和(自身を含む): 2492985600

約数和(自身を除く): 1072765786

約数列:

[1, 2, 13, 17, 26, 34, 79, 89, 158, 178, 221, 442, 457, 914, 1027, 1157, 1343, 1513, 2054, 2314, 2686, 3026, 5941, 7031, 7769, 11882, 14062, 15538, 17459, 19669, 34918, 36103, 39338, 40673, 72206, 81346, 91403, 100997, 119527, 182806, 201994, 239054, 469339, 528749, 613751, 691441, 938678, 1057498, 1227502, 1382882, 1553851, 3107702, 3213167, 6426334, 7978763, 8988733, 15957526, 17977466, 41771171, 54623839, 83542342, 109247678, 710109907, 1420219814]

約数ペア:

[(1, 1420219814), (2, 710109907), (13, 109247678), (17, 83542342), (26, 54623839), (34, 41771171), (79, 17977466), (89, 15957526), (158, 8988733), (178, 7978763), (221, 6426334), (442, 3213167), (457, 3107702), (914, 1553851), (1027, 1382882), (1157, 1227502), (1343, 1057498), (1513, 938678), (2054, 691441), (2314, 613751), (2686, 528749), (3026, 469339), (5941, 239054), (7031, 201994), (7769, 182806), (11882, 119527), (14062, 100997), (15538, 91403), (17459, 81346), (19669, 72206), (34918, 40673), (36103, 39338)]