680736694846

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{53}}^2\times {\mathrm{405253}}^1$

素因数の和:405397

約数の個数: 48

約数和(自身を含む): 1169524139616

約数和(自身を除く): 488787444770

約数列:

[1, 2, 13, 23, 26, 46, 53, 106, 299, 598, 689, 1219, 1378, 2438, 2809, 5618, 15847, 31694, 36517, 64607, 73034, 129214, 405253, 810506, 839891, 1679782, 5268289, 9320819, 10536578, 18641638, 21478409, 42956818, 121170647, 242341294, 279219317, 494003407, 558438634, 988006814, 1138355677, 2276711354, 6422044291, 12844088582, 14798623801, 26182180571, 29597247602, 52364361142, 340368347423, 680736694846]

約数ペア:

[(1, 680736694846), (2, 340368347423), (13, 52364361142), (23, 29597247602), (26, 26182180571), (46, 14798623801), (53, 12844088582), (106, 6422044291), (299, 2276711354), (598, 1138355677), (689, 988006814), (1219, 558438634), (1378, 494003407), (2438, 279219317), (2809, 242341294), (5618, 121170647), (15847, 42956818), (31694, 21478409), (36517, 18641638), (64607, 10536578), (73034, 9320819), (129214, 5268289), (405253, 1679782), (810506, 839891)]