81770724

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{131}}^1\times {\mathrm{2477}}^1$

素因数の和:2625

約数の個数: 72

約数和(自身を含む): 238125888

約数和(自身を除く): 156355164

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 131, 252, 262, 393, 524, 786, 917, 1179, 1572, 1834, 2358, 2477, 2751, 3668, 4716, 4954, 5502, 7431, 8253, 9908, 11004, 14862, 16506, 17339, 22293, 29724, 33012, 34678, 44586, 52017, 69356, 89172, 104034, 156051, 208068, 312102, 324487, 624204, 648974, 973461, 1297948, 1946922, 2271409, 2920383, 3893844, 4542818, 5840766, 6814227, 9085636, 11681532, 13628454, 20442681, 27256908, 40885362, 81770724]

約数ペア:

[(1, 81770724), (2, 40885362), (3, 27256908), (4, 20442681), (6, 13628454), (7, 11681532), (9, 9085636), (12, 6814227), (14, 5840766), (18, 4542818), (21, 3893844), (28, 2920383), (36, 2271409), (42, 1946922), (63, 1297948), (84, 973461), (126, 648974), (131, 624204), (252, 324487), (262, 312102), (393, 208068), (524, 156051), (786, 104034), (917, 89172), (1179, 69356), (1572, 52017), (1834, 44586), (2358, 34678), (2477, 33012), (2751, 29724), (3668, 22293), (4716, 17339), (4954, 16506), (5502, 14862), (7431, 11004), (8253, 9908)]