51105236

素因数分解:

$2^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{647}}^1$

素因数の和:709

約数の個数: 72

約数和(自身を含む): 115831296

約数和(自身を除く): 64726060

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 31, 49, 52, 62, 91, 98, 124, 182, 196, 217, 364, 403, 434, 637, 647, 806, 868, 1274, 1294, 1519, 1612, 2548, 2588, 2821, 3038, 4529, 5642, 6076, 8411, 9058, 11284, 16822, 18116, 19747, 20057, 31703, 33644, 39494, 40114, 58877, 63406, 78988, 80228, 117754, 126812, 140399, 235508, 260741, 280798, 412139, 521482, 561596, 824278, 982793, 1042964, 1648556, 1825187, 1965586, 3650374, 3931172, 7300748, 12776309, 25552618, 51105236]

約数ペア:

[(1, 51105236), (2, 25552618), (4, 12776309), (7, 7300748), (13, 3931172), (14, 3650374), (26, 1965586), (28, 1825187), (31, 1648556), (49, 1042964), (52, 982793), (62, 824278), (91, 561596), (98, 521482), (124, 412139), (182, 280798), (196, 260741), (217, 235508), (364, 140399), (403, 126812), (434, 117754), (637, 80228), (647, 78988), (806, 63406), (868, 58877), (1274, 40114), (1294, 39494), (1519, 33644), (1612, 31703), (2548, 20057), (2588, 19747), (2821, 18116), (3038, 16822), (4529, 11284), (5642, 9058), (6076, 8411)]