221281844

素因数分解:

$2^2\times 7^2\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{461}}^1$

素因数の和:589

約数の個数: 72

約数和(自身を含む): 471905280

約数和(自身を除く): 250623436

約数列:

[1, 2, 4, 7, 14, 28, 31, 49, 62, 79, 98, 124, 158, 196, 217, 316, 434, 461, 553, 868, 922, 1106, 1519, 1844, 2212, 2449, 3038, 3227, 3871, 4898, 6076, 6454, 7742, 9796, 12908, 14291, 15484, 17143, 22589, 28582, 34286, 36419, 45178, 57164, 68572, 72838, 90356, 100037, 120001, 145676, 200074, 240002, 254933, 400148, 480004, 509866, 700259, 1019732, 1128989, 1400518, 1784531, 2257978, 2801036, 3569062, 4515956, 7138124, 7902923, 15805846, 31611692, 55320461, 110640922, 221281844]

約数ペア:

[(1, 221281844), (2, 110640922), (4, 55320461), (7, 31611692), (14, 15805846), (28, 7902923), (31, 7138124), (49, 4515956), (62, 3569062), (79, 2801036), (98, 2257978), (124, 1784531), (158, 1400518), (196, 1128989), (217, 1019732), (316, 700259), (434, 509866), (461, 480004), (553, 400148), (868, 254933), (922, 240002), (1106, 200074), (1519, 145676), (1844, 120001), (2212, 100037), (2449, 90356), (3038, 72838), (3227, 68572), (3871, 57164), (4898, 45178), (6076, 36419), (6454, 34286), (7742, 28582), (9796, 22589), (12908, 17143), (14291, 15484)]