221516204

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{293}}^1$

素因数の和:415

約数の個数: 96

約数和(自身を含む): 501559296

約数和(自身を除く): 280043092

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 31, 52, 62, 67, 91, 124, 134, 182, 217, 268, 293, 364, 403, 434, 469, 586, 806, 868, 871, 938, 1172, 1612, 1742, 1876, 2051, 2077, 2821, 3484, 3809, 4102, 4154, 5642, 6097, 7618, 8204, 8308, 9083, 11284, 12194, 14539, 15236, 18166, 19631, 24388, 26663, 27001, 29078, 36332, 39262, 53326, 54002, 58156, 63581, 78524, 106652, 108004, 118079, 127162, 137417, 189007, 236158, 254324, 255203, 274834, 378014, 472316, 510406, 549668, 608561, 756028, 826553, 1020812, 1217122, 1653106, 1786421, 2434244, 3306212, 3572842, 4259927, 7145684, 7911293, 8519854, 15822586, 17039708, 31645172, 55379051, 110758102, 221516204]

約数ペア:

[(1, 221516204), (2, 110758102), (4, 55379051), (7, 31645172), (13, 17039708), (14, 15822586), (26, 8519854), (28, 7911293), (31, 7145684), (52, 4259927), (62, 3572842), (67, 3306212), (91, 2434244), (124, 1786421), (134, 1653106), (182, 1217122), (217, 1020812), (268, 826553), (293, 756028), (364, 608561), (403, 549668), (434, 510406), (469, 472316), (586, 378014), (806, 274834), (868, 255203), (871, 254324), (938, 236158), (1172, 189007), (1612, 137417), (1742, 127162), (1876, 118079), (2051, 108004), (2077, 106652), (2821, 78524), (3484, 63581), (3809, 58156), (4102, 54002), (4154, 53326), (5642, 39262), (6097, 36332), (7618, 29078), (8204, 27001), (8308, 26663), (9083, 24388), (11284, 19631), (12194, 18166), (14539, 15236)]