12351990

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{449}}^1$

素因数の和:597

約数の個数: 64

約数和(自身を含む): 34214400

約数和(自身を除く): 21862410

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 131, 210, 262, 393, 449, 655, 786, 898, 917, 1310, 1347, 1834, 1965, 2245, 2694, 2751, 3143, 3930, 4490, 4585, 5502, 6286, 6735, 9170, 9429, 13470, 13755, 15715, 18858, 27510, 31430, 47145, 58819, 94290, 117638, 176457, 294095, 352914, 411733, 588190, 823466, 882285, 1235199, 1764570, 2058665, 2470398, 4117330, 6175995, 12351990]

約数ペア:

[(1, 12351990), (2, 6175995), (3, 4117330), (5, 2470398), (6, 2058665), (7, 1764570), (10, 1235199), (14, 882285), (15, 823466), (21, 588190), (30, 411733), (35, 352914), (42, 294095), (70, 176457), (105, 117638), (131, 94290), (210, 58819), (262, 47145), (393, 31430), (449, 27510), (655, 18858), (786, 15715), (898, 13755), (917, 13470), (1310, 9429), (1347, 9170), (1834, 6735), (1965, 6286), (2245, 5502), (2694, 4585), (2751, 4490), (3143, 3930)]