421219396

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{37}}^2\times {\mathrm{61}}^1\times {\mathrm{97}}^1$

素因数の和:249

約数の個数: 72

約数和(自身を含む): 837795336

約数和(自身を除く): 416575940

約数列:

[1, 2, 4, 13, 26, 37, 52, 61, 74, 97, 122, 148, 194, 244, 388, 481, 793, 962, 1261, 1369, 1586, 1924, 2257, 2522, 2738, 3172, 3589, 4514, 5044, 5476, 5917, 7178, 9028, 11834, 14356, 17797, 23668, 29341, 35594, 46657, 58682, 71188, 76921, 83509, 93314, 117364, 132793, 153842, 167018, 186628, 218929, 265586, 307684, 334036, 437858, 531172, 875716, 1085617, 1726309, 2171234, 2846077, 3452618, 4342468, 5692154, 6905236, 8100373, 11384308, 16200746, 32401492, 105304849, 210609698, 421219396]

約数ペア:

[(1, 421219396), (2, 210609698), (4, 105304849), (13, 32401492), (26, 16200746), (37, 11384308), (52, 8100373), (61, 6905236), (74, 5692154), (97, 4342468), (122, 3452618), (148, 2846077), (194, 2171234), (244, 1726309), (388, 1085617), (481, 875716), (793, 531172), (962, 437858), (1261, 334036), (1369, 307684), (1586, 265586), (1924, 218929), (2257, 186628), (2522, 167018), (2738, 153842), (3172, 132793), (3589, 117364), (4514, 93314), (5044, 83509), (5476, 76921), (5917, 71188), (7178, 58682), (9028, 46657), (11834, 35594), (14356, 29341), (17797, 23668)]