78634724

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{73}}^2$

素因数の和:205

約数の個数: 72

約数和(自身を含む): 174279168

約数和(自身を除く): 95644444

約数列:

[1, 2, 4, 7, 14, 17, 28, 31, 34, 62, 68, 73, 119, 124, 146, 217, 238, 292, 434, 476, 511, 527, 868, 1022, 1054, 1241, 2044, 2108, 2263, 2482, 3689, 4526, 4964, 5329, 7378, 8687, 9052, 10658, 14756, 15841, 17374, 21316, 31682, 34748, 37303, 38471, 63364, 74606, 76942, 90593, 149212, 153884, 165199, 181186, 269297, 330398, 362372, 538594, 634151, 660796, 1077188, 1156393, 1268302, 2312786, 2536604, 2808383, 4625572, 5616766, 11233532, 19658681, 39317362, 78634724]

約数ペア:

[(1, 78634724), (2, 39317362), (4, 19658681), (7, 11233532), (14, 5616766), (17, 4625572), (28, 2808383), (31, 2536604), (34, 2312786), (62, 1268302), (68, 1156393), (73, 1077188), (119, 660796), (124, 634151), (146, 538594), (217, 362372), (238, 330398), (292, 269297), (434, 181186), (476, 165199), (511, 153884), (527, 149212), (868, 90593), (1022, 76942), (1054, 74606), (1241, 63364), (2044, 38471), (2108, 37303), (2263, 34748), (2482, 31682), (3689, 21316), (4526, 17374), (4964, 15841), (5329, 14756), (7378, 10658), (8687, 9052)]