7857738

素因数分解:

$2^1\times 3^2\times 7^2\times {\mathrm{59}}^1\times {\mathrm{151}}^1$

素因数の和:232

約数の個数: 72

約数和(自身を含む): 20273760

約数和(自身を除く): 12416022

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 49, 59, 63, 98, 118, 126, 147, 151, 177, 294, 302, 354, 413, 441, 453, 531, 826, 882, 906, 1057, 1062, 1239, 1359, 2114, 2478, 2718, 2891, 3171, 3717, 5782, 6342, 7399, 7434, 8673, 8909, 9513, 14798, 17346, 17818, 19026, 22197, 26019, 26727, 44394, 52038, 53454, 62363, 66591, 80181, 124726, 133182, 160362, 187089, 374178, 436541, 561267, 873082, 1122534, 1309623, 2619246, 3928869, 7857738]

約数ペア:

[(1, 7857738), (2, 3928869), (3, 2619246), (6, 1309623), (7, 1122534), (9, 873082), (14, 561267), (18, 436541), (21, 374178), (42, 187089), (49, 160362), (59, 133182), (63, 124726), (98, 80181), (118, 66591), (126, 62363), (147, 53454), (151, 52038), (177, 44394), (294, 26727), (302, 26019), (354, 22197), (413, 19026), (441, 17818), (453, 17346), (531, 14798), (826, 9513), (882, 8909), (906, 8673), (1057, 7434), (1062, 7399), (1239, 6342), (1359, 5782), (2114, 3717), (2478, 3171), (2718, 2891)]