640932282

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^1\times {\mathrm{467}}^1\times {\mathrm{4013}}^1$

素因数の和:4507

約数の個数: 48

約数和(自身を含む): 1465270560

約数和(自身を除く): 824338278

約数列:

[1, 2, 3, 6, 9, 18, 19, 38, 57, 114, 171, 342, 467, 934, 1401, 2802, 4013, 4203, 8026, 8406, 8873, 12039, 17746, 24078, 26619, 36117, 53238, 72234, 76247, 79857, 152494, 159714, 228741, 457482, 686223, 1372446, 1874071, 3748142, 5622213, 11244426, 16866639, 33733278, 35607349, 71214698, 106822047, 213644094, 320466141, 640932282]

約数ペア:

[(1, 640932282), (2, 320466141), (3, 213644094), (6, 106822047), (9, 71214698), (18, 35607349), (19, 33733278), (38, 16866639), (57, 11244426), (114, 5622213), (171, 3748142), (342, 1874071), (467, 1372446), (934, 686223), (1401, 457482), (2802, 228741), (4013, 159714), (4203, 152494), (8026, 79857), (8406, 76247), (8873, 72234), (12039, 53238), (17746, 36117), (24078, 26619)]