318182018

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{2939}}^1$

素因数の和:3015

約数の個数: 64

約数和(自身を含む): 643507200

約数和(自身を除く): 325325182

約数列:

[1, 2, 7, 11, 14, 19, 22, 37, 38, 74, 77, 133, 154, 209, 259, 266, 407, 418, 518, 703, 814, 1406, 1463, 2849, 2926, 2939, 4921, 5698, 5878, 7733, 9842, 15466, 20573, 32329, 41146, 54131, 55841, 64658, 108262, 108743, 111682, 217486, 226303, 390887, 452606, 614251, 761201, 781774, 1196173, 1228502, 1522402, 2066117, 2392346, 4132234, 4299757, 8373211, 8599514, 14462819, 16746422, 22727287, 28925638, 45454574, 159091009, 318182018]

約数ペア:

[(1, 318182018), (2, 159091009), (7, 45454574), (11, 28925638), (14, 22727287), (19, 16746422), (22, 14462819), (37, 8599514), (38, 8373211), (74, 4299757), (77, 4132234), (133, 2392346), (154, 2066117), (209, 1522402), (259, 1228502), (266, 1196173), (407, 781774), (418, 761201), (518, 614251), (703, 452606), (814, 390887), (1406, 226303), (1463, 217486), (2849, 111682), (2926, 108743), (2939, 108262), (4921, 64658), (5698, 55841), (5878, 54131), (7733, 41146), (9842, 32329), (15466, 20573)]