221574204

素因数分解:

$2^2\times 3^5\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{101}}^1$

素因数の和:218

約数の個数: 144

約数和(自身を含む): 612314976

約数和(自身を除く): 390740772

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 37, 54, 61, 74, 81, 101, 108, 111, 122, 148, 162, 183, 202, 222, 243, 244, 303, 324, 333, 366, 404, 444, 486, 549, 606, 666, 732, 909, 972, 999, 1098, 1212, 1332, 1647, 1818, 1998, 2196, 2257, 2727, 2997, 3294, 3636, 3737, 3996, 4514, 4941, 5454, 5994, 6161, 6588, 6771, 7474, 8181, 8991, 9028, 9882, 10908, 11211, 11988, 12322, 13542, 14823, 14948, 16362, 17982, 18483, 19764, 20313, 22422, 24543, 24644, 27084, 29646, 32724, 33633, 35964, 36966, 40626, 44844, 49086, 55449, 59292, 60939, 67266, 73932, 81252, 98172, 100899, 110898, 121878, 134532, 166347, 182817, 201798, 221796, 227957, 243756, 302697, 332694, 365634, 403596, 455914, 499041, 548451, 605394, 665388, 683871, 731268, 908091, 911828, 998082, 1096902, 1210788, 1367742, 1497123, 1816182, 1996164, 2051613, 2193804, 2735484, 2994246, 3632364, 4103226, 5988492, 6154839, 8206452, 12309678, 18464517, 24619356, 36929034, 55393551, 73858068, 110787102, 221574204]

約数ペア:

[(1, 221574204), (2, 110787102), (3, 73858068), (4, 55393551), (6, 36929034), (9, 24619356), (12, 18464517), (18, 12309678), (27, 8206452), (36, 6154839), (37, 5988492), (54, 4103226), (61, 3632364), (74, 2994246), (81, 2735484), (101, 2193804), (108, 2051613), (111, 1996164), (122, 1816182), (148, 1497123), (162, 1367742), (183, 1210788), (202, 1096902), (222, 998082), (243, 911828), (244, 908091), (303, 731268), (324, 683871), (333, 665388), (366, 605394), (404, 548451), (444, 499041), (486, 455914), (549, 403596), (606, 365634), (666, 332694), (732, 302697), (909, 243756), (972, 227957), (999, 221796), (1098, 201798), (1212, 182817), (1332, 166347), (1647, 134532), (1818, 121878), (1998, 110898), (2196, 100899), (2257, 98172), (2727, 81252), (2997, 73932), (3294, 67266), (3636, 60939), (3737, 59292), (3996, 55449), (4514, 49086), (4941, 44844), (5454, 40626), (5994, 36966), (6161, 35964), (6588, 33633), (6771, 32724), (7474, 29646), (8181, 27084), (8991, 24644), (9028, 24543), (9882, 22422), (10908, 20313), (11211, 19764), (11988, 18483), (12322, 17982), (13542, 16362), (14823, 14948)]