31712292

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{653}}^1$

素因数の和:753

約数の個数: 72

約数和(自身を含む): 85700160

約数和(自身を除く): 53987868

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 38, 57, 71, 76, 114, 142, 171, 213, 228, 284, 342, 426, 639, 653, 684, 852, 1278, 1306, 1349, 1959, 2556, 2612, 2698, 3918, 4047, 5396, 5877, 7836, 8094, 11754, 12141, 12407, 16188, 23508, 24282, 24814, 37221, 46363, 48564, 49628, 74442, 92726, 111663, 139089, 148884, 185452, 223326, 278178, 417267, 446652, 556356, 834534, 880897, 1669068, 1761794, 2642691, 3523588, 5285382, 7928073, 10570764, 15856146, 31712292]

約数ペア:

[(1, 31712292), (2, 15856146), (3, 10570764), (4, 7928073), (6, 5285382), (9, 3523588), (12, 2642691), (18, 1761794), (19, 1669068), (36, 880897), (38, 834534), (57, 556356), (71, 446652), (76, 417267), (114, 278178), (142, 223326), (171, 185452), (213, 148884), (228, 139089), (284, 111663), (342, 92726), (426, 74442), (639, 49628), (653, 48564), (684, 46363), (852, 37221), (1278, 24814), (1306, 24282), (1349, 23508), (1959, 16188), (2556, 12407), (2612, 12141), (2698, 11754), (3918, 8094), (4047, 7836), (5396, 5877)]