213411688

素因数分解:

$2^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{269}}^1\times {\mathrm{457}}^1$

素因数の和:770

約数の個数: 64

約数和(自身を含む): 474854400

約数和(自身を除く): 261442712

約数列:

[1, 2, 4, 7, 8, 14, 28, 31, 56, 62, 124, 217, 248, 269, 434, 457, 538, 868, 914, 1076, 1736, 1828, 1883, 2152, 3199, 3656, 3766, 6398, 7532, 8339, 12796, 14167, 15064, 16678, 25592, 28334, 33356, 56668, 58373, 66712, 99169, 113336, 116746, 122933, 198338, 233492, 245866, 396676, 466984, 491732, 793352, 860531, 983464, 1721062, 3442124, 3810923, 6884248, 7621846, 15243692, 26676461, 30487384, 53352922, 106705844, 213411688]

約数ペア:

[(1, 213411688), (2, 106705844), (4, 53352922), (7, 30487384), (8, 26676461), (14, 15243692), (28, 7621846), (31, 6884248), (56, 3810923), (62, 3442124), (124, 1721062), (217, 983464), (248, 860531), (269, 793352), (434, 491732), (457, 466984), (538, 396676), (868, 245866), (914, 233492), (1076, 198338), (1736, 122933), (1828, 116746), (1883, 113336), (2152, 99169), (3199, 66712), (3656, 58373), (3766, 56668), (6398, 33356), (7532, 28334), (8339, 25592), (12796, 16678), (14167, 15064)]